diff --git a/src/EventSubscriber/TwigEventSubscriber.php b/src/EventSubscriber/TwigEventSubscriber.php
new file mode 100644
index 0000000..e567055
--- /dev/null
+++ b/src/EventSubscriber/TwigEventSubscriber.php
@@ -0,0 +1,32 @@
+<?php
+
+namespace App\EventSubscriber;
+
+use App\Repository\ConferenceRepository;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\HttpKernel\Event\ControllerEvent;
+use Twig\Environment;
+
+class TwigEventSubscriber implements EventSubscriberInterface
+{
+    private $twig;
+    private $conferenceRepository;
+
+    public function __construct(Environment $twig, ConferenceRepository $conferenceRepository)
+    {
+        $this->twig = $twig;
+        $this->conferenceRepository = $conferenceRepository;
+    }
+
+    public function onControllerEvent(ControllerEvent $event): void
+    {
+        $this->twig->addGlobal('conferences', $this->conferenceRepository->findAll());
+    }
+
+    public static function getSubscribedEvents(): array
+    {
+        return [
+            ControllerEvent::class => 'onControllerEvent',
+        ];
+    }
+}
diff --git a/templates/base.html.twig b/templates/base.html.twig
index 3cda30f..7a2838c 100644
--- a/templates/base.html.twig
+++ b/templates/base.html.twig
@@ -12,6 +12,15 @@
         {% endblock %}
     </head>
     <body>
+        <header>
+            <h1><a href="{{ path('homepage') }}">Guestbook</a></h1>
+            <ul>
+            {%for conference in conferences %}
+                <li><a href="{{ path('conference', { id: conference.id }) }}">{{ conference }}</a></li>
+            {% endfor %}
+            </ul>
+            <hr/>
+        </header>
         {% block body %}{% endblock %}
     </body>
 </html>
