Wikipedia says
'Pigs have been domesticated since ancient times'. No proper timeline though.
( The Cat's Mother Not a People Person., Tue 9 Jun 2009, 20:48, archived)

Does it mention the Pigosaurus?

( hoifbjifbef, Tue 9 Jun 2009, 20:50, archived)

A twenty foot high spiny pig
Great for barbecues.
( The Cat's Mother Not a People Person., Tue 9 Jun 2009, 20:54, archived)

Or bashes at your place.
No more need for those three trays of bacons.
( hoifbjifbef, Tue 9 Jun 2009, 20:55, archived)