Nope. Look again. It is confusing, but it was created in 2012, and has events going back to 2004.
You can add “life events” at any time after you create the account. Your birth, moves, marriage, etc.
http://www.inquisitr.com/2355508/josh-duggars-secret-facebook-account-created-4-years-before-marrying-anna-still-active-in-2014/
OK, that makes sense.
What a little d-bag he is.