diff --git a/src/Bundle/ChillEventBundle/Controller/EventThemeController.php b/src/Bundle/ChillEventBundle/Controller/EventThemeController.php
new file mode 100644
index 000000000..027b99241
--- /dev/null
+++ b/src/Bundle/ChillEventBundle/Controller/EventThemeController.php
@@ -0,0 +1,44 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\EventBundle\Controller;
+
+use Chill\MainBundle\CRUD\Controller\CRUDController;
+use Chill\MainBundle\Pagination\PaginatorInterface;
+use Doctrine\ORM\QueryBuilder;
+use Symfony\Component\Form\FormInterface;
+use Symfony\Component\HttpFoundation\Request;
+
+class EventThemeController extends CRUDController
+{
+    protected function createFormFor(string $action, $entity, ?string $formClass = null, array $formOptions = []): FormInterface
+    {
+        if ('new' === $action) {
+            return parent::createFormFor($action, $entity, $formClass, ['step' => 'create']);
+        }
+
+        if ('edit' === $action) {
+            return parent::createFormFor($action, $entity, $formClass, ['step' => 'edit']);
+        }
+
+        throw new \LogicException('action is not supported: '.$action);
+    }
+
+    /**
+     * @param QueryBuilder|mixed $query
+     */
+    protected function orderQuery(string $action, $query, Request $request, PaginatorInterface $paginator): QueryBuilder
+    {
+        /* @var QueryBuilder $query */
+        return $query->orderBy('e.ordering', 'ASC')
+            ->addOrderBy('e.id', 'ASC');
+    }
+}
diff --git a/src/Bundle/ChillEventBundle/DependencyInjection/ChillEventExtension.php b/src/Bundle/ChillEventBundle/DependencyInjection/ChillEventExtension.php
index 0b30ca6c5..ecc072a58 100644
--- a/src/Bundle/ChillEventBundle/DependencyInjection/ChillEventExtension.php
+++ b/src/Bundle/ChillEventBundle/DependencyInjection/ChillEventExtension.php
@@ -11,6 +11,9 @@ declare(strict_types=1);
 
 namespace Chill\EventBundle\DependencyInjection;
 
+use Chill\EventBundle\Controller\EventThemeController;
+use Chill\EventBundle\Entity\EventTheme;
+use Chill\EventBundle\Form\EventThemeType;
 use Chill\EventBundle\Security\EventVoter;
 use Chill\EventBundle\Security\ParticipationVoter;
 use Symfony\Component\Config\FileLocator;
@@ -26,7 +29,10 @@ use Symfony\Component\HttpKernel\DependencyInjection\Extension;
  */
 class ChillEventExtension extends Extension implements PrependExtensionInterface
 {
-    public function load(array $configs, ContainerBuilder $container)
+    /**
+     * @throws \Exception
+     */
+    public function load(array $configs, ContainerBuilder $container): void
     {
         $configuration = new Configuration();
         $config = $this->processConfiguration($configuration, $configs);
@@ -45,16 +51,17 @@ class ChillEventExtension extends Extension implements PrependExtensionInterface
     /** (non-PHPdoc).
      * @see \Symfony\Component\DependencyInjection\Extension\PrependExtensionInterface::prepend()
      */
-    public function prepend(ContainerBuilder $container)
+    public function prepend(ContainerBuilder $container): void
     {
         $this->prependAuthorization($container);
+        $this->prependCruds($container);
         $this->prependRoute($container);
     }
 
     /**
      * add authorization hierarchy.
      */
-    protected function prependAuthorization(ContainerBuilder $container)
+    protected function prependAuthorization(ContainerBuilder $container): void
     {
         $container->prependExtensionConfig('security', [
             'role_hierarchy' => [
@@ -70,7 +77,7 @@ class ChillEventExtension extends Extension implements PrependExtensionInterface
     /**
      * add route to route loader for chill.
      */
-    protected function prependRoute(ContainerBuilder $container)
+    protected function prependRoute(ContainerBuilder $container): void
     {
         // add routes for custom bundle
         $container->prependExtensionConfig('chill_main', [
@@ -81,4 +88,33 @@ class ChillEventExtension extends Extension implements PrependExtensionInterface
             ],
         ]);
     }
+
+    protected function prependCruds(ContainerBuilder $container): void
+    {
+        $container->prependExtensionConfig('chill_main', [
+            'cruds' => [
+                [
+                    'class' => EventTheme::class,
+                    'name' => 'event_theme',
+                    'base_path' => '/admin/event/theme',
+                    'form_class' => EventThemeType::class,
+                    'controller' => EventThemeController::class,
+                    'actions' => [
+                        'index' => [
+                            'template' => '@ChillEvent/Admin/EventTheme/index.html.twig',
+                            'role' => 'ROLE_ADMIN',
+                        ],
+                        'new' => [
+                            'role' => 'ROLE_ADMIN',
+                            'template' => '@ChillEvent/Admin/EventTheme/new.html.twig',
+                        ],
+                        'edit' => [
+                            'role' => 'ROLE_ADMIN',
+                            'template' => '@ChillEvent/Admin/EventTheme/edit.html.twig',
+                        ],
+                    ],
+                ],
+            ],
+        ]);
+    }
 }
diff --git a/src/Bundle/ChillEventBundle/Entity/EventTheme.php b/src/Bundle/ChillEventBundle/Entity/EventTheme.php
new file mode 100644
index 000000000..902fc32fb
--- /dev/null
+++ b/src/Bundle/ChillEventBundle/Entity/EventTheme.php
@@ -0,0 +1,183 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\EventBundle\Entity;
+
+use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Collection;
+use Doctrine\DBAL\Types\Types;
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * Class EventTheme.
+ */
+#[ORM\Entity]
+#[ORM\HasLifecycleCallbacks]
+#[ORM\Table(name: 'chill_event_event_theme')]
+class EventTheme
+{
+    #[ORM\Column(type: Types::BOOLEAN, nullable: false)]
+    private bool $isActive = true;
+
+    #[ORM\Id]
+    #[ORM\Column(name: 'id', type: Types::INTEGER)]
+    #[ORM\GeneratedValue(strategy: 'AUTO')]
+    private ?int $id = null;
+
+    #[ORM\Column(type: Types::JSON)]
+    private array $name;
+
+    /**
+     * @var Collection<int, EventTheme>
+     */
+    #[ORM\OneToMany(mappedBy: 'parent', targetEntity: EventTheme::class)]
+    private Collection $children;
+
+    #[ORM\ManyToOne(targetEntity: EventTheme::class, inversedBy: 'children')]
+    private ?EventTheme $parent = null;
+
+    #[ORM\Column(name: 'ordering', type: Types::FLOAT, options: ['default' => '0.0'])]
+    private float $ordering = 0.0;
+
+    /**
+     * Constructor.
+     */
+    public function __construct()
+    {
+        $this->children = new ArrayCollection();
+    }
+
+    /**
+     * Get active.
+     */
+    public function getIsActive(): bool
+    {
+        return $this->isActive;
+    }
+
+    /**
+     * Get id.
+     */
+    public function getId(): ?int
+    {
+        return $this->id;
+    }
+
+    /**
+     * Get label.
+     */
+    public function getName(): array
+    {
+        return $this->name;
+    }
+
+    /**
+     * Set active.
+     *
+     * @param bool $active
+     * @return EventTheme
+     */
+    public function setIsActive(bool $active): static
+    {
+        $this->isActive = $active;
+
+        return $this;
+    }
+
+    /**
+     * Set label.
+     *
+     * @param array $label
+     * @return EventTheme
+     */
+    public function setName(array $label): static
+    {
+        $this->name = $label;
+
+        return $this;
+    }
+
+    public function addChild(self $child): self
+    {
+        if (!$this->children->contains($child)) {
+            $this->children[] = $child;
+        }
+
+        return $this;
+    }
+
+    public function removeChild(self $child): self
+    {
+        if ($this->children->removeElement($child)) {
+            // set the owning side to null (unless already changed)
+            if ($child->getParent() === $this) {
+                $child->setParent(null);
+            }
+        }
+
+        return $this;
+    }
+
+    public function getChildren(): Collection
+    {
+        return $this->children;
+    }
+
+    public function getDescendants(): Collection
+    {
+        $descendants = new ArrayCollection();
+
+        foreach ($this->getChildren() as $child) {
+            if (!$descendants->contains($child)) {
+                $descendants->add($child);
+
+                foreach ($child->getDescendants() as $descendantsOfChild) {
+                    if (!$descendants->contains($descendantsOfChild)) {
+                        $descendants->add($descendantsOfChild);
+                    }
+                }
+            }
+        }
+
+        return $descendants;
+    }
+
+    public function hasParent(): bool
+    {
+        return null !== $this->parent;
+    }
+
+    public function getOrdering(): float
+    {
+        return $this->ordering;
+    }
+
+    public function setOrdering(float $ordering): EventTheme
+    {
+        $this->ordering = $ordering;
+
+        return $this;
+    }
+
+    public function getParent(): ?self
+    {
+        return $this->parent;
+    }
+
+    public function setParent(?self $parent): self
+    {
+        $this->parent = $parent;
+
+        $parent?->addChild($this);
+
+        return $this;
+    }
+}
diff --git a/src/Bundle/ChillEventBundle/Form/EventThemeType.php b/src/Bundle/ChillEventBundle/Form/EventThemeType.php
new file mode 100644
index 000000000..f48780641
--- /dev/null
+++ b/src/Bundle/ChillEventBundle/Form/EventThemeType.php
@@ -0,0 +1,67 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\EventBundle\Form;
+
+use Chill\EventBundle\Entity\EventTheme;
+use Chill\MainBundle\Form\Type\TranslatableStringFormType;
+use Chill\MainBundle\Templating\TranslatableStringHelperInterface;
+use Symfony\Bridge\Doctrine\Form\Type\EntityType;
+use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
+use Symfony\Component\Form\Extension\Core\Type\NumberType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+use Symfony\Component\Form\AbstractType;
+
+class EventThemeType extends AbstractType
+{
+    public function __construct(protected TranslatableStringHelperInterface $translatableStringHelper) {}
+
+    public function buildForm(FormBuilderInterface $builder, array $options): void
+    {
+        $builder
+            ->add('name', TranslatableStringFormType::class, [
+                'label' => 'Nom',
+            ]);
+
+        if ('create' === $options['step']) {
+            $builder
+                ->add('parent', EntityType::class, [
+                    'class' => EventTheme::class,
+                    'required' => false,
+                    'choice_label' => fn (EventTheme $theme): ?string => $this->translatableStringHelper->localize($theme->getName()),
+                    'mapped' => 'create' === $options['step'],
+                ]);
+        }
+
+        $builder
+            ->add('ordering', NumberType::class, [
+                'required' => true,
+                'scale' => 6,
+            ])
+            ->add('isActive', ChoiceType::class, [
+                'choices' => [
+                    'Yes' => true,
+                    'No' => false,
+                ],
+                'expanded' => true,
+            ]);
+    }
+
+    public function configureOptions(OptionsResolver $resolver): void
+    {
+        $resolver->setDefaults([
+            'data_class' => EventTheme::class,
+        ]);
+        $resolver->setRequired('step')
+            ->setAllowedValues('step', ['create', 'edit']);
+    }
+}
diff --git a/src/Bundle/ChillEventBundle/Menu/AdminMenuBuilder.php b/src/Bundle/ChillEventBundle/Menu/AdminMenuBuilder.php
index 9db1713b6..8a6dec1ad 100644
--- a/src/Bundle/ChillEventBundle/Menu/AdminMenuBuilder.php
+++ b/src/Bundle/ChillEventBundle/Menu/AdminMenuBuilder.php
@@ -20,14 +20,14 @@ class AdminMenuBuilder implements LocalMenuBuilderInterface
     /**
      * @var AuthorizationCheckerInterface
      */
-    protected $authorizationChecker;
+    protected AuthorizationCheckerInterface $authorizationChecker;
 
     public function __construct(AuthorizationCheckerInterface $authorizationChecker)
     {
         $this->authorizationChecker = $authorizationChecker;
     }
 
-    public function buildMenu($menuId, MenuItem $menu, array $parameters)
+    public function buildMenu($menuId, MenuItem $menu, array $parameters): void
     {
         if (!$this->authorizationChecker->isGranted('ROLE_ADMIN')) {
             return;
@@ -52,6 +52,10 @@ class AdminMenuBuilder implements LocalMenuBuilderInterface
         $menu->addChild('Role', [
             'route' => 'chill_event_admin_role',
         ])->setExtras(['order' => 6530]);
+
+        $menu->addChild('Theme', [
+            'route' => 'chill_crud_event_theme_index',
+        ])->setExtras(['order' => 6540]);
     }
 
     public static function getMenuIds(): array
diff --git a/src/Bundle/ChillEventBundle/Resources/views/Admin/EventTheme/edit.html.twig b/src/Bundle/ChillEventBundle/Resources/views/Admin/EventTheme/edit.html.twig
new file mode 100644
index 000000000..a63d81c99
--- /dev/null
+++ b/src/Bundle/ChillEventBundle/Resources/views/Admin/EventTheme/edit.html.twig
@@ -0,0 +1,26 @@
+{% extends '@ChillMain/CRUD/Admin/index.html.twig' %}
+
+{% block title %}
+    {% include('@ChillMain/CRUD/_edit_title.html.twig') %}
+{% endblock %}
+
+{% block admin_content %}
+    {% embed '@ChillMain/CRUD/_edit_content.html.twig' %}
+
+        {% block crud_content_form_rows %}
+            {{ form_row(form.name) }}
+            <div class="mb-3 row">
+                <label class="col-form-label col-sm-4">
+                    {{ 'Parent'|trans }}
+                </label>
+                <div class="col-sm-8">
+                    {{ entity.parent|chill_entity_render_box }}
+                </div>
+            </div>
+            {{ form_row(form.ordering) }}
+            {{ form_row(form.isActive) }}
+        {% endblock crud_content_form_rows %}
+
+        {% block content_form_actions_save_and_show %}{% endblock %}
+    {% endembed %}
+{% endblock admin_content %}
diff --git a/src/Bundle/ChillEventBundle/Resources/views/Admin/EventTheme/index.html.twig b/src/Bundle/ChillEventBundle/Resources/views/Admin/EventTheme/index.html.twig
new file mode 100644
index 000000000..d518ea625
--- /dev/null
+++ b/src/Bundle/ChillEventBundle/Resources/views/Admin/EventTheme/index.html.twig
@@ -0,0 +1,45 @@
+{% extends '@ChillMain/CRUD/Admin/index.html.twig' %}
+
+{% block admin_content %}
+    {% embed '@ChillMain/CRUD/_index.html.twig' %}
+        {% block table_entities_thead_tr %}
+            <th>{{ 'Id'|trans }}</th>
+            <th>{{ 'Title'|trans }}</th>
+            <th>{{ 'Ordering'|trans }}</th>
+            <th>{{ 'active'|trans }}</th>
+            <th>&nbsp;</th>
+        {% endblock %}
+
+        {% block table_entities_tbody %}
+            {% for entity in entities %}
+                <tr>
+                    <td>{{ entity.id }}</td>
+                    <td>
+                        {{ entity|chill_entity_render_box }}
+                    </td>
+                    <td>{{ entity.ordering }}</td>
+                    <td style="text-align:center;">
+                        {%- if entity.isActive -%}
+                            <i class="fa fa-check-square-o"></i>
+                        {%- else -%}
+                            <i class="fa fa-square-o"></i>
+                        {%- endif -%}
+                    </td>
+                    <td>
+                        <ul class="record_actions">
+                            <li>
+                                <a href="{{ chill_path_add_return_path('chill_crud_event_theme_edit', { 'id': entity.id }) }}" class="btn btn-edit"></a>
+                            </li>
+                        </ul>
+                    </td>
+                </tr>
+            {% endfor %}
+        {% endblock %}
+
+        {% block actions_before %}
+            <li class='cancel'>
+                <a href="{{ path('chill_main_admin_central') }}" class="btn btn-cancel">{{'Back to the admin'|trans}}</a>
+            </li>
+        {% endblock %}
+    {% endembed %}
+{% endblock %}
diff --git a/src/Bundle/ChillEventBundle/Resources/views/Admin/EventTheme/new.html.twig b/src/Bundle/ChillEventBundle/Resources/views/Admin/EventTheme/new.html.twig
new file mode 100644
index 000000000..7c204dddd
--- /dev/null
+++ b/src/Bundle/ChillEventBundle/Resources/views/Admin/EventTheme/new.html.twig
@@ -0,0 +1,11 @@
+{% extends '@ChillMain/CRUD/Admin/index.html.twig' %}
+
+{% block title %}
+    {% include('@ChillMain/CRUD/_new_title.html.twig') %}
+{% endblock %}
+
+{% block admin_content %}
+    {% embed '@ChillMain/CRUD/_new_content.html.twig' %}
+        {% block content_form_actions_save_and_show %}{% endblock %}
+    {% endembed %}
+{% endblock admin_content %}
diff --git a/src/Bundle/ChillEventBundle/Resources/views/Entity/event_theme.html.twig b/src/Bundle/ChillEventBundle/Resources/views/Entity/event_theme.html.twig
new file mode 100644
index 000000000..08796d7b2
--- /dev/null
+++ b/src/Bundle/ChillEventBundle/Resources/views/Entity/event_theme.html.twig
@@ -0,0 +1,13 @@
+{% set reversed_parents = parents|reverse %}
+<span class="chill-entity entity-event-theme">
+  <span class="badge bg-chill-l-gray text-dark">
+    {%- for p in reversed_parents %}
+        <span class="parent-{{ loop.revindex0 }}">
+      {{ p.name|localize_translatable_string }}{{ options['default.separator'] }}
+    </span>
+    {%- endfor -%}
+    <span class="child">
+      {{ eventTheme.name|localize_translatable_string }}
+    </span>
+  </span>
+</span>
diff --git a/src/Bundle/ChillEventBundle/Templating/Entity/EventThemeRender.php b/src/Bundle/ChillEventBundle/Templating/Entity/EventThemeRender.php
new file mode 100644
index 000000000..ad765d714
--- /dev/null
+++ b/src/Bundle/ChillEventBundle/Templating/Entity/EventThemeRender.php
@@ -0,0 +1,109 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\EventBundle\Templating\Entity;
+
+use Chill\EventBundle\Entity\EventTheme;
+use Chill\MainBundle\Templating\Entity\ChillEntityRenderInterface;
+use Chill\MainBundle\Templating\TranslatableStringHelper;
+use Symfony\Contracts\Translation\TranslatorInterface;
+use Twig\Error\LoaderError;
+use Twig\Error\RuntimeError;
+use Twig\Error\SyntaxError;
+
+/**
+ * @implements ChillEntityRenderInterface<EventTheme>
+ */
+class EventThemeRender implements ChillEntityRenderInterface
+{
+    public const AND_CHILDREN_MENTION = 'show_and_children_mention';
+
+    public const DEFAULT_ARGS = [
+        self::SEPARATOR_KEY => ' > ',
+        self::SHOW_AND_CHILDREN => false,
+        self::AND_CHILDREN_MENTION => 'event_theme.and children',
+    ];
+
+    public const SEPARATOR_KEY = 'default.separator';
+
+    /**
+     * Show a mention "and children" on each EventTheme, if the event theme
+     * has at least one child.
+     */
+    public const SHOW_AND_CHILDREN = 'show_and_children';
+
+    public function __construct(private readonly TranslatableStringHelper $translatableStringHelper, private readonly \Twig\Environment $engine, private readonly TranslatorInterface $translator) {}
+
+    /**
+     * @throws RuntimeError
+     * @throws SyntaxError
+     * @throws LoaderError
+     */
+    public function renderBox($eventTheme, array $options): string
+    {
+        $options = array_merge(self::DEFAULT_ARGS, $options);
+        // give some help to twig: an array of parents
+        $parents = $this->buildParents($eventTheme);
+
+        return $this
+            ->engine
+            ->render(
+                '@ChillEvent/Entity/event_theme.html.twig',
+                [
+                    'eventTheme' => $eventTheme,
+                    'parents' => $parents,
+                    'options' => $options,
+                ]
+            );
+    }
+
+    public function renderString($entity, array $options): string
+    {
+        /** @var EventTheme $entity */
+        $options = array_merge(self::DEFAULT_ARGS, $options);
+
+        $titles = [$this->translatableStringHelper->localize($entity->getName())];
+
+        // loop to parent, until root
+        while ($entity->hasParent()) {
+            $entity = $entity->getParent();
+            $titles[] = $this->translatableStringHelper->localize(
+                $entity->getTitle()
+            );
+        }
+
+        $titles = \array_reverse($titles);
+
+        $title = \implode($options[self::SEPARATOR_KEY], $titles);
+
+        if ($options[self::SHOW_AND_CHILDREN] && $entity->hasChildren()) {
+            $title .= ' ('.$this->translator->trans($options[self::AND_CHILDREN_MENTION]).')';
+        }
+
+        return $title;
+    }
+
+    public function supports($entity, array $options): bool
+    {
+        return $entity instanceof EventTheme;
+    }
+
+    private function buildParents(EventTheme $entity): array
+    {
+        $parents = [];
+
+        while ($entity->hasParent()) {
+            $entity = $parents[] = $entity->getParent();
+        }
+
+        return $parents;
+    }
+}
diff --git a/src/Bundle/ChillEventBundle/config/services.yaml b/src/Bundle/ChillEventBundle/config/services.yaml
index cee12a024..b117528a8 100644
--- a/src/Bundle/ChillEventBundle/config/services.yaml
+++ b/src/Bundle/ChillEventBundle/config/services.yaml
@@ -1,6 +1,7 @@
 services:
     Chill\EventBundle\Controller\:
         autowire: true
+        autoconfigure: true
         resource: '../Controller'
         tags: ['controller.service_arguments']
 
@@ -8,4 +9,11 @@ services:
         autowire: true
         autoconfigure: true
         resource: '../Menu/'
-        tags: ['chill.menu_builder']
\ No newline at end of file
+        tags: ['chill.menu_builder']
+
+    Chill\EventBundle\Templating\Entity\:
+        autowire: true
+        autoconfigure: true
+        resource: '../Templating/Entity'
+        tags:
+            - 'chill.render_entity'
diff --git a/src/Bundle/ChillEventBundle/config/services/controller.yaml b/src/Bundle/ChillEventBundle/config/services/controller.yaml
index e69de29bb..2dda648c9 100644
--- a/src/Bundle/ChillEventBundle/config/services/controller.yaml
+++ b/src/Bundle/ChillEventBundle/config/services/controller.yaml
@@ -0,0 +1,4 @@
+services:
+    _defaults:
+        autowire: true
+        autoconfigure: true
diff --git a/src/Bundle/ChillEventBundle/config/services/forms.yaml b/src/Bundle/ChillEventBundle/config/services/forms.yaml
index 8c81c3e63..205307234 100644
--- a/src/Bundle/ChillEventBundle/config/services/forms.yaml
+++ b/src/Bundle/ChillEventBundle/config/services/forms.yaml
@@ -31,3 +31,7 @@ services:
     Chill\EventBundle\Form\Type\PickEventType:
         tags:
             - { name: form.type }
+
+    Chill\EventBundle\Form\EventThemeType:
+        tags:
+            - { name: form.type }
diff --git a/src/Bundle/ChillEventBundle/migrations/Version20250428092611.php b/src/Bundle/ChillEventBundle/migrations/Version20250428092611.php
new file mode 100644
index 000000000..811a368ad
--- /dev/null
+++ b/src/Bundle/ChillEventBundle/migrations/Version20250428092611.php
@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\Migrations\Event;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Add event theme entity.
+ */
+final class Version20250428092611 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Add an event theme entity';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('CREATE SEQUENCE chill_event_event_theme_id_seq INCREMENT BY 1 MINVALUE 1 START 1');
+        $this->addSql('CREATE TABLE chill_event_event_theme (id INT NOT NULL, parent_id INT DEFAULT NULL, isActive BOOLEAN NOT NULL, name JSON NOT NULL, ordering DOUBLE PRECISION DEFAULT \'0.0\' NOT NULL, PRIMARY KEY(id))');
+        $this->addSql('CREATE INDEX IDX_80D7C6B0727ACA70 ON chill_event_event_theme (parent_id)');
+        $this->addSql('ALTER TABLE chill_event_event_theme ADD CONSTRAINT FK_80D7C6B0727ACA70 FOREIGN KEY (parent_id) REFERENCES chill_event_event_theme (id) NOT DEFERRABLE INITIALLY IMMEDIATE');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE chill_event_event_theme DROP CONSTRAINT FK_80D7C6B0727ACA70');
+        $this->addSql('DROP TABLE chill_event_event_theme');
+    }
+}
diff --git a/src/Bundle/ChillEventBundle/translations/messages.fr.yml b/src/Bundle/ChillEventBundle/translations/messages.fr.yml
index 6319a0765..15987c463 100644
--- a/src/Bundle/ChillEventBundle/translations/messages.fr.yml
+++ b/src/Bundle/ChillEventBundle/translations/messages.fr.yml
@@ -140,3 +140,10 @@ event:
         event_types: Par types d'événement
         event_dates: Par date d'événement
 
+crud:
+    event_theme:
+        title_new: Créér une nouvelle thématique
+        title_edit: Modifier la thématique
+        index:
+            title: Liste des thématiques
+            add_new: Créér une nouvelle thématique