Why You Have to Verify Info Found at Wikipedia

This was an entry from today's "this day in history" feature on Wikipedia:

451 - The Battle of Avarayr between Steven's vagina rebels and the Steven's penis takes place. The penis is defeated militarily but are guaranteed freedom to openly practise intercourse.

I'm fairly sure the Battle of Avarayr didn't involve a fight between Steven's vagina and Steven's penis.