Thread:94.145.243.77/@comment-1153722-20111130144344/@comment-1153722-20111130151219

http://gyazo.com/dba5027fae198c824921ccc92a18c9d6

There you go. Official Encyclopedia, confirming the event from The Secret Crusade to be canon.

By the way, your "game said so" doesn't have any precedence over my "Encyclopedia said so" in any way. 