diff --git a/content/events.xml b/content/events.xml
index 66481f4e6..9cb7a1721 100644
--- a/content/events.xml
+++ b/content/events.xml
@@ -593,7 +593,7 @@
   </event>
   <event title="Pentaradio">
     <start>2010-03-23</start>
-    <link>radio.html</link>
+    <link>news/pentaradio24-20100323.html</link>
   </event>
   <event title="Das Ende der Privatsphäre">
     <start>2010-02-21T11:00:00</start>
@@ -629,4 +629,22 @@
     <location>HSZ 04, TU Dresden</location>
     <link>http://www.tu-dresden.de/euroavia/pictures/startrek.jpg</link>
   </event>
+  <event title="Pentaradio">
+    <start>2010-04-27</start>
+    <link>radio.html</link>
+  </event>
+  <event title="Pentaradio">
+    <start>2010-05-25</start>
+    <link>radio.html</link>
+  </event>
+  <event title="Pentaradio">
+    <start>2010-06-22</start>
+    <link>radio.html</link>
+  </event>
+  <event title="CoSin 2010">
+    <start>2010-07-09</start>
+    <end>2010-07-11</end>
+    <location>KuZeB, Bremgarten, Aargau</location>
+    <link>http://www.cosin.ch/</link>
+  </event>
 </calendar>