add React Day Berlin (facebook#10492)

robhrt7 · gaearon · commit aa2572e1fd80 · 2017-09-08T20:28:42.000+01:00
diff --git a/docs/community/conferences.md b/docs/community/conferences.md
@@ -59,7 +59,13 @@ October 25–27, Bratislava, Slovakia
 
 [Website](https://reactiveconf.com)
 
+### React Day Berlin
+December 2, Berlin, Germany
 
+[Website](https://reactday.berlin) - [Twitter](https://twitter.com/reactdayberlin) - [Facebook](https://www.facebook.com/reactdayberlin/)
+
+### AgentConf 2018
+January 25-28 in Dornbirn, Austria
 
 ## Past Conferences
 
