diff --git a/app/Http/Livewire/Frontend/Header.php b/app/Http/Livewire/Frontend/Header.php
index 900b2848..b24d10ee 100644
--- a/app/Http/Livewire/Frontend/Header.php
+++ b/app/Http/Livewire/Frontend/Header.php
@@ -34,9 +34,12 @@ class Header extends Component
     public function render()
     {
         return view('livewire.frontend.header', [
-            'cities' => City::query()
-                            ->select(['latitude', 'longitude'])
-                            ->get(),
+            'cities'    => City::query()
+                               ->select(['latitude', 'longitude'])
+                               ->get(),
+            'countries' => Country::query()
+                                  ->select(['code', 'name'])
+                                  ->get(),
         ]);
     }
 }
diff --git a/app/Http/Livewire/Tables/CourseTable.php b/app/Http/Livewire/Tables/CourseTable.php
index 6935f603..aeaea3f2 100644
--- a/app/Http/Livewire/Tables/CourseTable.php
+++ b/app/Http/Livewire/Tables/CourseTable.php
@@ -66,4 +66,17 @@ class CourseTable extends DataTableComponent
                      ->whereHas('events.venue.city.country',
                          fn($query) => $query->where('countries.code', $this->country));
     }
+
+    public function courseSearch($id)
+    {
+        return to_route('search.event', [
+            '#table',
+            'country' => $this->country,
+            'table'   => [
+                'filters' => [
+                    'course_id' => $id,
+                ],
+            ]
+        ]);
+    }
 }
diff --git a/app/Http/Livewire/Tables/EventTable.php b/app/Http/Livewire/Tables/EventTable.php
index 38dee903..9b63a516 100644
--- a/app/Http/Livewire/Tables/EventTable.php
+++ b/app/Http/Livewire/Tables/EventTable.php
@@ -4,10 +4,12 @@ namespace App\Http\Livewire\Tables;
 
 use App\Models\Category;
 use App\Models\Event;
+use App\Models\Lecturer;
 use Illuminate\Database\Eloquent\Builder;
 use Rappasoft\LaravelLivewireTables\DataTableComponent;
 use Rappasoft\LaravelLivewireTables\Views\Column;
 use Rappasoft\LaravelLivewireTables\Views\Filters\MultiSelectFilter;
+use Rappasoft\LaravelLivewireTables\Views\Filters\SelectFilter;
 use Rappasoft\LaravelLivewireTables\Views\Filters\TextFilter;
 
 class EventTable extends DataTableComponent
@@ -54,15 +56,35 @@ class EventTable extends DataTableComponent
                               $builder
                                   ->whereHas('venue.city',
                                       function ($query) use ($value) {
-                                          foreach (str($value)->explode(',') as $item) {
-                                              $query->orWhere('cities.name', 'ilike', "%$item%");
-                                          }
+                                          $query->whereIn('cities.name', str($value)->explode(','));
                                       });
                           } else {
                               $builder->whereHas('venue.city',
                                   fn($query) => $query->where('cities.name', 'ilike', "%$value%"));
                           }
                       }),
+            TextFilter::make('Veranstaltungs-Ort', 'venue')
+                      ->config([
+                          'placeholder' => __('Suche Veranstaltungs-Ort'),
+                      ])
+                      ->filter(function (Builder $builder, string $value) {
+                          $builder->whereHas('venue',
+                              fn($query) => $query->where('venues.name', 'ilike', "%$value%"));
+                      }),
+            TextFilter::make('Kurs')
+                      ->config([
+                          'placeholder' => __('Suche Kurs'),
+                      ])
+                      ->filter(function (Builder $builder, string $value) {
+                          $builder->whereHas('course',
+                              fn($query) => $query->where('courses.name', 'ilike', "%$value%"));
+                      }),
+            TextFilter::make('Kurs by ID', 'course_id')
+                      ->hiddenFromMenus()
+                      ->filter(function (Builder $builder, string $value) {
+                          $builder->whereHas('course',
+                              fn($query) => $query->where('courses.id', '=', $value));
+                      }),
             MultiSelectFilter::make('Art')
                              ->options(
                                  Category::query()
@@ -73,6 +95,16 @@ class EventTable extends DataTableComponent
                                  $builder->whereHas('course.categories',
                                      fn($query) => $query->whereIn('categories.id', $values));
                              }),
+            SelectFilter::make('Dozent')
+                        ->options(
+                            Lecturer::query()
+                                    ->pluck('name', 'id')
+                                    ->toArray()
+                        )
+                        ->filter(function (Builder $builder, string $value) {
+                            $builder->whereHas('course.lecturer',
+                                fn($query) => $query->where('lecturers.id', $value));
+                        }),
         ];
     }
 
diff --git a/app/Http/Livewire/Tables/LecturerTable.php b/app/Http/Livewire/Tables/LecturerTable.php
index f51b533d..25024762 100644
--- a/app/Http/Livewire/Tables/LecturerTable.php
+++ b/app/Http/Livewire/Tables/LecturerTable.php
@@ -11,6 +11,7 @@ use Rappasoft\LaravelLivewireTables\Views\Columns\ImageColumn;
 
 class LecturerTable extends DataTableComponent
 {
+    public string $country;
     protected $model = Lecturer::class;
 
     public function configure(): void
@@ -66,4 +67,19 @@ class LecturerTable extends DataTableComponent
                            'courses',
                        ]);
     }
+
+    public function lecturerSearch($id)
+    {
+        $lecturer = Lecturer::query()->find($id);
+
+        return to_route('search.event', [
+            '#table',
+            'country' => $this->country,
+            'table'   => [
+                'filters' => [
+                    'dozent' => $lecturer->id,
+                ],
+            ]
+        ]);
+    }
 }
diff --git a/app/Http/Livewire/Tables/VenueTable.php b/app/Http/Livewire/Tables/VenueTable.php
index 7c223888..b2be5e36 100644
--- a/app/Http/Livewire/Tables/VenueTable.php
+++ b/app/Http/Livewire/Tables/VenueTable.php
@@ -67,4 +67,19 @@ class VenueTable extends DataTableComponent
                     ])
                     ->whereHas('city.country', fn($query) => $query->where('code', $this->country));
     }
+
+    public function venueSearch($id)
+    {
+        $venue = Venue::query()->find($id);
+
+        return to_route('search.event', [
+            '#table',
+            'country' => $this->country,
+            'table'   => [
+                'filters' => [
+                    'venue' => $venue->name,
+                ],
+            ]
+        ]);
+    }
 }
diff --git a/app/Policies/BasePolicy.php b/app/Policies/BasePolicy.php
index 9ac700c8..a4d0a2b8 100644
--- a/app/Policies/BasePolicy.php
+++ b/app/Policies/BasePolicy.php
@@ -16,7 +16,7 @@ class BasePolicy
      */
     public function before(User $user, $ability)
     {
-        if ($user->hasRole('super-admin')) {
+        if ($user->hasRole('super-admin') || app()->environment('local')) {
             return true;
         }
     }
diff --git a/app/Providers/AppServiceProvider.php b/app/Providers/AppServiceProvider.php
index 7db859b1..8c50b370 100644
--- a/app/Providers/AppServiceProvider.php
+++ b/app/Providers/AppServiceProvider.php
@@ -27,6 +27,8 @@ class AppServiceProvider extends ServiceProvider
      */
     public function boot()
     {
+        ray()->newScreen('bitcoin');
+
         Stringable::macro('initials', function () {
             $words = preg_split("/\s+/", $this);
             $initials = "";
diff --git a/composer.json b/composer.json
index f52fac9f..143aef56 100644
--- a/composer.json
+++ b/composer.json
@@ -28,6 +28,7 @@
         "spatie/laravel-google-fonts": "^1.2",
         "spatie/laravel-markdown": "^2.2",
         "spatie/laravel-medialibrary": "^10.0.0",
+        "spatie/laravel-ray": "^1.31",
         "spatie/laravel-sluggable": "^3.4",
         "staudenmeir/eloquent-has-many-deep": "^1.7",
         "stijnvanouplines/blade-country-flags": "^1.0",
diff --git a/composer.lock b/composer.lock
index 1ad94e51..097c2e7e 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "568870ac3cd35dadcdbedcc3bd76c682",
+    "content-hash": "6af863a20aa17f527c2cf8e0c7de11b6",
     "packages": [
         {
             "name": "akuechler/laravel-geoly",
@@ -4838,6 +4838,59 @@
             ],
             "time": "2022-07-30T15:51:26+00:00"
         },
+        {
+            "name": "pimple/pimple",
+            "version": "v3.5.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/silexphp/Pimple.git",
+                "reference": "a94b3a4db7fb774b3d78dad2315ddc07629e1bed"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/silexphp/Pimple/zipball/a94b3a4db7fb774b3d78dad2315ddc07629e1bed",
+                "reference": "a94b3a4db7fb774b3d78dad2315ddc07629e1bed",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.2.5",
+                "psr/container": "^1.1 || ^2.0"
+            },
+            "require-dev": {
+                "symfony/phpunit-bridge": "^5.4@dev"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.4.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-0": {
+                    "Pimple": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                }
+            ],
+            "description": "Pimple, a simple Dependency Injection Container",
+            "homepage": "https://pimple.symfony.com",
+            "keywords": [
+                "container",
+                "dependency injection"
+            ],
+            "support": {
+                "source": "https://github.com/silexphp/Pimple/tree/v3.5.0"
+            },
+            "time": "2021-10-28T11:13:42+00:00"
+        },
         {
             "name": "pragmarx/google2fa",
             "version": "v8.0.1",
@@ -6204,6 +6257,68 @@
             },
             "time": "2022-08-12T19:00:25+00:00"
         },
+        {
+            "name": "spatie/backtrace",
+            "version": "1.2.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/spatie/backtrace.git",
+                "reference": "4ee7d41aa5268107906ea8a4d9ceccde136dbd5b"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/spatie/backtrace/zipball/4ee7d41aa5268107906ea8a4d9ceccde136dbd5b",
+                "reference": "4ee7d41aa5268107906ea8a4d9ceccde136dbd5b",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.3|^8.0"
+            },
+            "require-dev": {
+                "ext-json": "*",
+                "phpunit/phpunit": "^9.3",
+                "symfony/var-dumper": "^5.1"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Spatie\\Backtrace\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Freek Van de Herten",
+                    "email": "freek@spatie.be",
+                    "homepage": "https://spatie.be",
+                    "role": "Developer"
+                }
+            ],
+            "description": "A better backtrace",
+            "homepage": "https://github.com/spatie/backtrace",
+            "keywords": [
+                "Backtrace",
+                "spatie"
+            ],
+            "support": {
+                "issues": "https://github.com/spatie/backtrace/issues",
+                "source": "https://github.com/spatie/backtrace/tree/1.2.1"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sponsors/spatie",
+                    "type": "github"
+                },
+                {
+                    "url": "https://spatie.be/open-source/support-us",
+                    "type": "other"
+                }
+            ],
+            "time": "2021-11-09T10:57:15+00:00"
+        },
         {
             "name": "spatie/commonmark-shiki-highlighter",
             "version": "2.1.1",
@@ -6791,6 +6906,90 @@
             ],
             "time": "2022-11-23T07:01:37+00:00"
         },
+        {
+            "name": "spatie/laravel-ray",
+            "version": "1.31.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/spatie/laravel-ray.git",
+                "reference": "7394694afd89d05879e7a69c54abab73c1199acd"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/spatie/laravel-ray/zipball/7394694afd89d05879e7a69c54abab73c1199acd",
+                "reference": "7394694afd89d05879e7a69c54abab73c1199acd",
+                "shasum": ""
+            },
+            "require": {
+                "ext-json": "*",
+                "illuminate/contracts": "^7.20|^8.19|^9.0",
+                "illuminate/database": "^7.20|^8.19|^9.0",
+                "illuminate/queue": "^7.20|^8.19|^9.0",
+                "illuminate/support": "^7.20|^8.19|^9.0",
+                "php": "^7.3|^8.0",
+                "spatie/backtrace": "^1.0",
+                "spatie/ray": "^1.33",
+                "symfony/stopwatch": "4.2|^5.1|^6.0",
+                "zbateson/mail-mime-parser": "^1.3.1|^2.0"
+            },
+            "require-dev": {
+                "guzzlehttp/guzzle": "^7.3",
+                "laravel/framework": "^7.20|^8.19|^9.0",
+                "orchestra/testbench-core": "^5.0|^6.0|^7.0",
+                "phpstan/phpstan": "^0.12.93",
+                "phpunit/phpunit": "^9.3",
+                "spatie/phpunit-snapshot-assertions": "^4.2"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-main": "1.29.x-dev"
+                },
+                "laravel": {
+                    "providers": [
+                        "Spatie\\LaravelRay\\RayServiceProvider"
+                    ]
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Spatie\\LaravelRay\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Freek Van der Herten",
+                    "email": "freek@spatie.be",
+                    "homepage": "https://spatie.be",
+                    "role": "Developer"
+                }
+            ],
+            "description": "Easily debug Laravel apps",
+            "homepage": "https://github.com/spatie/laravel-ray",
+            "keywords": [
+                "laravel-ray",
+                "spatie"
+            ],
+            "support": {
+                "issues": "https://github.com/spatie/laravel-ray/issues",
+                "source": "https://github.com/spatie/laravel-ray/tree/1.31.0"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sponsors/spatie",
+                    "type": "github"
+                },
+                {
+                    "url": "https://spatie.be/open-source/support-us",
+                    "type": "other"
+                }
+            ],
+            "time": "2022-09-20T13:13:22+00:00"
+        },
         {
             "name": "spatie/laravel-sluggable",
             "version": "3.4.0",
@@ -6851,6 +7050,56 @@
             ],
             "time": "2022-03-28T11:21:33+00:00"
         },
+        {
+            "name": "spatie/macroable",
+            "version": "2.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/spatie/macroable.git",
+                "reference": "ec2c320f932e730607aff8052c44183cf3ecb072"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/spatie/macroable/zipball/ec2c320f932e730607aff8052c44183cf3ecb072",
+                "reference": "ec2c320f932e730607aff8052c44183cf3ecb072",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^8.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^8.0|^9.3"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Spatie\\Macroable\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Freek Van der Herten",
+                    "email": "freek@spatie.be",
+                    "homepage": "https://spatie.be",
+                    "role": "Developer"
+                }
+            ],
+            "description": "A trait to dynamically add methods to a class",
+            "homepage": "https://github.com/spatie/macroable",
+            "keywords": [
+                "macroable",
+                "spatie"
+            ],
+            "support": {
+                "issues": "https://github.com/spatie/macroable/issues",
+                "source": "https://github.com/spatie/macroable/tree/2.0.0"
+            },
+            "time": "2021-03-26T22:39:02+00:00"
+        },
         {
             "name": "spatie/once",
             "version": "3.1.0",
@@ -6913,6 +7162,81 @@
             ],
             "time": "2022-04-21T12:23:20+00:00"
         },
+        {
+            "name": "spatie/ray",
+            "version": "1.36.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/spatie/ray.git",
+                "reference": "4a4def8cda4806218341b8204c98375aa8c34323"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/spatie/ray/zipball/4a4def8cda4806218341b8204c98375aa8c34323",
+                "reference": "4a4def8cda4806218341b8204c98375aa8c34323",
+                "shasum": ""
+            },
+            "require": {
+                "ext-curl": "*",
+                "ext-json": "*",
+                "php": "^7.3|^8.0",
+                "ramsey/uuid": "^3.0|^4.1",
+                "spatie/backtrace": "^1.1",
+                "spatie/macroable": "^1.0|^2.0",
+                "symfony/stopwatch": "^4.0|^5.1|^6.0",
+                "symfony/var-dumper": "^4.2|^5.1|^6.0"
+            },
+            "require-dev": {
+                "illuminate/support": "6.x|^8.18|^9.0",
+                "nesbot/carbon": "^2.43",
+                "phpstan/phpstan": "^0.12.92",
+                "phpunit/phpunit": "^9.5",
+                "spatie/phpunit-snapshot-assertions": "^4.2",
+                "spatie/test-time": "^1.2"
+            },
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "src/helpers.php"
+                ],
+                "psr-4": {
+                    "Spatie\\Ray\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Freek Van der Herten",
+                    "email": "freek@spatie.be",
+                    "homepage": "https://spatie.be",
+                    "role": "Developer"
+                }
+            ],
+            "description": "Debug with Ray to fix problems faster",
+            "homepage": "https://github.com/spatie/ray",
+            "keywords": [
+                "ray",
+                "spatie"
+            ],
+            "support": {
+                "issues": "https://github.com/spatie/ray/issues",
+                "source": "https://github.com/spatie/ray/tree/1.36.0"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sponsors/spatie",
+                    "type": "github"
+                },
+                {
+                    "url": "https://spatie.be/open-source/support-us",
+                    "type": "other"
+                }
+            ],
+            "time": "2022-08-11T14:04:18+00:00"
+        },
         {
             "name": "spatie/shiki-php",
             "version": "1.3.0",
@@ -8442,6 +8766,89 @@
             ],
             "time": "2022-11-03T14:55:06+00:00"
         },
+        {
+            "name": "symfony/polyfill-iconv",
+            "version": "v1.27.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-iconv.git",
+                "reference": "927013f3aac555983a5059aada98e1907d842695"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-iconv/zipball/927013f3aac555983a5059aada98e1907d842695",
+                "reference": "927013f3aac555983a5059aada98e1907d842695",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.1"
+            },
+            "provide": {
+                "ext-iconv": "*"
+            },
+            "suggest": {
+                "ext-iconv": "For best performance"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-main": "1.27-dev"
+                },
+                "thanks": {
+                    "name": "symfony/polyfill",
+                    "url": "https://github.com/symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "bootstrap.php"
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Iconv\\": ""
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill for the Iconv extension",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "iconv",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-iconv/tree/v1.27.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2022-11-03T14:55:06+00:00"
+        },
         {
             "name": "symfony/polyfill-intl-grapheme",
             "version": "v1.27.0",
@@ -9506,6 +9913,68 @@
             ],
             "time": "2022-05-30T19:18:58+00:00"
         },
+        {
+            "name": "symfony/stopwatch",
+            "version": "v6.2.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/stopwatch.git",
+                "reference": "266636bb8f3fbdccc302491df7b3a1b9a8c238a7"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/stopwatch/zipball/266636bb8f3fbdccc302491df7b3a1b9a8c238a7",
+                "reference": "266636bb8f3fbdccc302491df7b3a1b9a8c238a7",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=8.1",
+                "symfony/service-contracts": "^1|^2|^3"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Stopwatch\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Provides a way to profile code",
+            "homepage": "https://symfony.com",
+            "support": {
+                "source": "https://github.com/symfony/stopwatch/tree/v6.2.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2022-09-28T16:00:52+00:00"
+        },
         {
             "name": "symfony/string",
             "version": "v6.2.0",
@@ -10276,6 +10745,207 @@
             ],
             "time": "2022-11-28T17:38:50+00:00"
         },
+        {
+            "name": "zbateson/mail-mime-parser",
+            "version": "2.2.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/zbateson/mail-mime-parser.git",
+                "reference": "295c7f82a8c44af685680d9df6714beb812e90ff"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/zbateson/mail-mime-parser/zipball/295c7f82a8c44af685680d9df6714beb812e90ff",
+                "reference": "295c7f82a8c44af685680d9df6714beb812e90ff",
+                "shasum": ""
+            },
+            "require": {
+                "guzzlehttp/psr7": "^1.7.0|^2.0",
+                "php": ">=5.4",
+                "pimple/pimple": "^3.0",
+                "zbateson/mb-wrapper": "^1.0.1",
+                "zbateson/stream-decorators": "^1.0.6"
+            },
+            "require-dev": {
+                "mikey179/vfsstream": "^1.6.0",
+                "sanmai/phpunit-legacy-adapter": "^6.3 || ^8.2"
+            },
+            "suggest": {
+                "ext-iconv": "For best support/performance",
+                "ext-mbstring": "For best support/performance"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "ZBateson\\MailMimeParser\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-2-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Zaahid Bateson"
+                },
+                {
+                    "name": "Contributors",
+                    "homepage": "https://github.com/zbateson/mail-mime-parser/graphs/contributors"
+                }
+            ],
+            "description": "MIME email message parser",
+            "homepage": "https://mail-mime-parser.org",
+            "keywords": [
+                "MimeMailParser",
+                "email",
+                "mail",
+                "mailparse",
+                "mime",
+                "mimeparse",
+                "parser",
+                "php-imap"
+            ],
+            "support": {
+                "docs": "https://mail-mime-parser.org/#usage-guide",
+                "issues": "https://github.com/zbateson/mail-mime-parser/issues",
+                "source": "https://github.com/zbateson/mail-mime-parser"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/zbateson",
+                    "type": "github"
+                }
+            ],
+            "time": "2022-09-28T16:31:49+00:00"
+        },
+        {
+            "name": "zbateson/mb-wrapper",
+            "version": "1.1.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/zbateson/mb-wrapper.git",
+                "reference": "5d9d190ef18ce6d424e3ac6f5ebe13901f92b74a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/zbateson/mb-wrapper/zipball/5d9d190ef18ce6d424e3ac6f5ebe13901f92b74a",
+                "reference": "5d9d190ef18ce6d424e3ac6f5ebe13901f92b74a",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.4",
+                "symfony/polyfill-iconv": "^1.9",
+                "symfony/polyfill-mbstring": "^1.9"
+            },
+            "require-dev": {
+                "sanmai/phpunit-legacy-adapter": "^6.3 || ^8"
+            },
+            "suggest": {
+                "ext-iconv": "For best support/performance",
+                "ext-mbstring": "For best support/performance"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "ZBateson\\MbWrapper\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-2-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Zaahid Bateson"
+                }
+            ],
+            "description": "Wrapper for mbstring with fallback to iconv for encoding conversion and string manipulation",
+            "keywords": [
+                "charset",
+                "encoding",
+                "http",
+                "iconv",
+                "mail",
+                "mb",
+                "mb_convert_encoding",
+                "mbstring",
+                "mime",
+                "multibyte",
+                "string"
+            ],
+            "support": {
+                "issues": "https://github.com/zbateson/mb-wrapper/issues",
+                "source": "https://github.com/zbateson/mb-wrapper/tree/1.1.2"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/zbateson",
+                    "type": "github"
+                }
+            ],
+            "time": "2022-05-26T15:55:05+00:00"
+        },
+        {
+            "name": "zbateson/stream-decorators",
+            "version": "1.0.7",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/zbateson/stream-decorators.git",
+                "reference": "8f8ca208572963258b7e6d91106181706deacd10"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/zbateson/stream-decorators/zipball/8f8ca208572963258b7e6d91106181706deacd10",
+                "reference": "8f8ca208572963258b7e6d91106181706deacd10",
+                "shasum": ""
+            },
+            "require": {
+                "guzzlehttp/psr7": "^1.7.0|^2.0",
+                "php": ">=5.4",
+                "zbateson/mb-wrapper": "^1.0.0"
+            },
+            "require-dev": {
+                "sanmai/phpunit-legacy-adapter": "^6.3 || ^8"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "ZBateson\\StreamDecorators\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-2-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Zaahid Bateson"
+                }
+            ],
+            "description": "PHP psr7 stream decorators for mime message part streams",
+            "keywords": [
+                "base64",
+                "charset",
+                "decorators",
+                "mail",
+                "mime",
+                "psr7",
+                "quoted-printable",
+                "stream",
+                "uuencode"
+            ],
+            "support": {
+                "issues": "https://github.com/zbateson/stream-decorators/issues",
+                "source": "https://github.com/zbateson/stream-decorators/tree/1.0.7"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/zbateson",
+                    "type": "github"
+                }
+            ],
+            "time": "2022-09-08T15:44:55+00:00"
+        },
         {
             "name": "ziffmedia/nova-select-plus",
             "version": "v2.0.0",
@@ -13445,68 +14115,6 @@
             ],
             "time": "2020-09-28T06:39:44+00:00"
         },
-        {
-            "name": "spatie/backtrace",
-            "version": "1.2.1",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/spatie/backtrace.git",
-                "reference": "4ee7d41aa5268107906ea8a4d9ceccde136dbd5b"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/spatie/backtrace/zipball/4ee7d41aa5268107906ea8a4d9ceccde136dbd5b",
-                "reference": "4ee7d41aa5268107906ea8a4d9ceccde136dbd5b",
-                "shasum": ""
-            },
-            "require": {
-                "php": "^7.3|^8.0"
-            },
-            "require-dev": {
-                "ext-json": "*",
-                "phpunit/phpunit": "^9.3",
-                "symfony/var-dumper": "^5.1"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "Spatie\\Backtrace\\": "src"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Freek Van de Herten",
-                    "email": "freek@spatie.be",
-                    "homepage": "https://spatie.be",
-                    "role": "Developer"
-                }
-            ],
-            "description": "A better backtrace",
-            "homepage": "https://github.com/spatie/backtrace",
-            "keywords": [
-                "Backtrace",
-                "spatie"
-            ],
-            "support": {
-                "issues": "https://github.com/spatie/backtrace/issues",
-                "source": "https://github.com/spatie/backtrace/tree/1.2.1"
-            },
-            "funding": [
-                {
-                    "url": "https://github.com/sponsors/spatie",
-                    "type": "github"
-                },
-                {
-                    "url": "https://spatie.be/open-source/support-us",
-                    "type": "other"
-                }
-            ],
-            "time": "2021-11-09T10:57:15+00:00"
-        },
         {
             "name": "spatie/flare-client-php",
             "version": "1.3.1",
diff --git a/database/seeders/DatabaseSeeder.php b/database/seeders/DatabaseSeeder.php
index 50c62694..cc56b807 100644
--- a/database/seeders/DatabaseSeeder.php
+++ b/database/seeders/DatabaseSeeder.php
@@ -107,6 +107,11 @@ class DatabaseSeeder extends Seeder
             'name'    => 'Markus Turm',
             'active'  => true,
         ]);
+        Lecturer::create([
+            'team_id' => 1,
+            'name'    => 'Beppo',
+            'active'  => true,
+        ]);
         $category = Category::create([
             'name' => 'Präsenzunterricht',
             'slug' => str('Präsenzunterricht')->slug('-', 'de'),
@@ -125,6 +130,12 @@ class DatabaseSeeder extends Seeder
             'lecturer_id' => 1,
             'name'        => 'Bitcoin <> Crypto',
         ]);
+        $course->categories()
+               ->attach($categoryOnline);
+        $course = Course::create([
+            'lecturer_id' => 2,
+            'name'        => 'Bitcoin Lightning Network',
+        ]);
         $course->categories()
                ->attach($categoryOnline);
         Participant::create([
@@ -167,6 +178,18 @@ class DatabaseSeeder extends Seeder
                 ->startOfDay()
                 ->addHour(),
         ]);
+        Event::create([
+            'course_id' => 3,
+            'venue_id'  => 3,
+            'link'      => 'https://einundzwanzig.space',
+            'from'      => now()
+                ->addDays(4)
+                ->startOfDay(),
+            'to'        => now()
+                ->addDays(4)
+                ->startOfDay()
+                ->addHour(),
+        ]);
         Registration::create([
             'event_id'       => 1,
             'participant_id' => 1,
diff --git a/ray.php b/ray.php
new file mode 100644
index 00000000..08598c4e
--- /dev/null
+++ b/ray.php
@@ -0,0 +1,108 @@
+<?php
+
+return [
+    /*
+    * This setting controls whether data should be sent to Ray.
+    *
+    * By default, `ray()` will only transmit data in non-production environments.
+    */
+    'enable' => env('RAY_ENABLED', true),
+
+    /*
+    * When enabled, all cache events  will automatically be sent to Ray.
+    */
+    'send_cache_to_ray' => env('SEND_CACHE_TO_RAY', false),
+
+    /*
+    * When enabled, all things passed to `dump` or `dd`
+    * will be sent to Ray as well.
+    */
+    'send_dumps_to_ray' => env('SEND_DUMPS_TO_RAY', true),
+
+    /*
+    * When enabled all job events will automatically be sent to Ray.
+    */
+    'send_jobs_to_ray' => env('SEND_JOBS_TO_RAY', false),
+
+    /*
+    * When enabled, all things logged to the application log
+    * will be sent to Ray as well.
+    */
+    'send_log_calls_to_ray' => env('SEND_LOG_CALLS_TO_RAY', true),
+
+    /*
+    * When enabled, all queries will automatically be sent to Ray.
+    */
+    'send_queries_to_ray' => env('SEND_QUERIES_TO_RAY', false),
+
+    /**
+     * When enabled, all duplicate queries will automatically be sent to Ray.
+     */
+    'send_duplicate_queries_to_ray' => env('SEND_DUPLICATE_QUERIES_TO_RAY', false),
+
+    /*
+     * When enabled, slow queries will automatically be sent to Ray.
+     */
+    'send_slow_queries_to_ray' => env('SEND_SLOW_QUERIES_TO_RAY', false),
+
+    /**
+     * Queries that are longer than this number of milliseconds will be regarded as slow.
+     */
+    'slow_query_threshold_in_ms' => env('RAY_SLOW_QUERY_THRESHOLD_IN_MS', 500),
+
+    /*
+    * When enabled, all requests made to this app will automatically be sent to Ray.
+    */
+    'send_requests_to_ray' => env('SEND_REQUESTS_TO_RAY', false),
+
+    /**
+     * When enabled, all Http Client requests made by this app will be automatically sent to Ray.
+     */
+    'send_http_client_requests_to_ray' => env('SEND_HTTP_CLIENT_REQUESTS_TO_RAY', false),
+
+    /*
+    * When enabled, all views that are rendered automatically be sent to Ray.
+    */
+    'send_views_to_ray' => env('SEND_VIEWS_TO_RAY', false),
+
+    /*
+     * When enabled, all exceptions will be automatically sent to Ray.
+     */
+    'send_exceptions_to_ray' => env('SEND_EXCEPTIONS_TO_RAY', true),
+
+    /*
+     * When enabled, all deprecation notices will be automatically sent to Ray.
+     */
+    'send_deprecated_notices_to_ray' => env('SEND_DEPRECATED_NOTICES_TO_RAY', false),
+
+    /*
+    * The host used to communicate with the Ray app.
+    * When using Docker on Mac or Windows, you can replace localhost with 'host.docker.internal'
+    * When using Docker on Linux, you can replace localhost with '172.17.0.1'
+    * When using Homestead with the VirtualBox provider, you can replace localhost with '10.0.2.2'
+    * When using Homestead with the Parallels provider, you can replace localhost with '10.211.55.2'
+    */
+    'host' => env('RAY_HOST', 'host.docker.internal'),
+
+    /*
+    * The port number used to communicate with the Ray app.
+    */
+    'port' => env('RAY_PORT', 23517),
+
+    /*
+     * Absolute base path for your sites or projects in Homestead,
+     * Vagrant, Docker, or another remote development server.
+     */
+    'remote_path' => env('RAY_REMOTE_PATH', null),
+
+    /*
+     * Absolute base path for your sites or projects on your local
+     * computer where your IDE or code editor is running on.
+     */
+    'local_path' => env('RAY_LOCAL_PATH', null),
+
+    /*
+     * When this setting is enabled, the package will not try to format values sent to Ray.
+     */
+    'always_send_raw_values' => false,
+];
diff --git a/resources/views/columns/courses/action.blade.php b/resources/views/columns/courses/action.blade.php
index a8571def..1ca8dc23 100644
--- a/resources/views/columns/courses/action.blade.php
+++ b/resources/views/columns/courses/action.blade.php
@@ -1 +1 @@
-<x-button amber>Termine anzeigen</x-button>
+<x-button amber wire:click="courseSearch({{ $row->id }})">Termine anzeigen</x-button>
diff --git a/resources/views/columns/lectures/action.blade.php b/resources/views/columns/lectures/action.blade.php
index a8571def..d436cbf4 100644
--- a/resources/views/columns/lectures/action.blade.php
+++ b/resources/views/columns/lectures/action.blade.php
@@ -1 +1 @@
-<x-button amber>Termine anzeigen</x-button>
+<x-button amber wire:click="lecturerSearch({{ $row->id }})">Termine anzeigen</x-button>
diff --git a/resources/views/columns/venues/action.blade.php b/resources/views/columns/venues/action.blade.php
index a8571def..93bbbed9 100644
--- a/resources/views/columns/venues/action.blade.php
+++ b/resources/views/columns/venues/action.blade.php
@@ -1 +1 @@
-<x-button amber>Termine anzeigen</x-button>
+<x-button amber wire:click="venueSearch({{ $row->id }})">Termine anzeigen</x-button>
diff --git a/resources/views/livewire/frontend/header.blade.php b/resources/views/livewire/frontend/header.blade.php
index dc2054ca..d755cf3b 100644
--- a/resources/views/livewire/frontend/header.blade.php
+++ b/resources/views/livewire/frontend/header.blade.php
@@ -8,15 +8,13 @@
             bottom: 4%;
             left: 13%;
             right: 13%;
-            background: radial-gradient(ellipse at center, rgba(247, 147, 26, 0.7) 0%, rgba(247, 147, 26, 0.55) 20%, rgba(247, 147, 26, 0.2) 40%, rgba(247, 147, 26, 0.1) 50%, rgba(247, 147, 26, 0.02) 60%, rgba(247, 147, 26, 0) 70%, rgba(247, 147, 26, 0) 100%);
         }
-
     </style>
     <section class="w-full">
         <div class="max-w-screen-2xl mx-auto px-10">
             <div class="flex flex-col flex-wrap items-center justify-between py-7 mx-auto md:flex-row max-w-screen-2xl">
                 <div class="relative flex flex-col md:flex-row">
-                    <a href="#_"
+                    <a href="{{ route('search.city', ['country' => $c]) }}"
                        class="flex items-center mb-5 font-medium text-gray-900 lg:w-auto lg:items-center lg:justify-center md:mb-0">
                         <img src="{{ asset('img/einundzwanzig-horizontal-inverted.svg') }}">
                     </a>
@@ -65,12 +63,11 @@
                             wire:model="c"
                             :clearable="false"
                         >
-                            <x-select.user-option src="{{ asset('vendor/blade-country-flags/4x3-de.svg') }}"
-                                                  label="Deutschland" value="de"/>
-                            <x-select.user-option src="{{ asset('vendor/blade-country-flags/4x3-at.svg') }}"
-                                                  label="Österreich" value="at"/>
-                            <x-select.user-option src="{{ asset('vendor/blade-country-flags/4x3-ch.svg') }}"
-                                                  label="Schweiz" value="ch"/>
+                            @foreach($countries as $country)
+                                <x-select.user-option
+                                    src="{{ asset('vendor/blade-country-flags/4x3-'.$country->code.'.svg') }}"
+                                    label="{{ $country->name }}" value="{{ $country->code }}"/>
+                            @endforeach
                         </x-select>
                     </div>
                     <p class="text-gray-500 sm:text-lg md:text-xl xl:text-2xl lg:max-w-none max-w-2xl md:text-center lg:text-left lg:pr-32 mt-6">
diff --git a/resources/views/livewire/frontend/search-lecturer.blade.php b/resources/views/livewire/frontend/search-lecturer.blade.php
index 53931bd9..62cf34cf 100644
--- a/resources/views/livewire/frontend/search-lecturer.blade.php
+++ b/resources/views/livewire/frontend/search-lecturer.blade.php
@@ -5,7 +5,7 @@
     <section class="w-full mb-12">
         <div class="max-w-screen-2xl mx-auto px-10" id="table">
             <livewire:frontend.search-tabs :country="$country->code"/>
-            <livewire:tables.lecturer-table/>
+            <livewire:tables.lecturer-table :country="$country->code"/>
         </div>
     </section>
     {{-- FOOTER --}}