Trace's Timeline By jimmgrimes2322 Mar 4, 1539 Introduced into states Brought into Florida by Hernando De Soto. Apr 30, 1970 Illegal to transport It was illegal to transport a feral pig across a state. Jan 15, 2004 Survey conducted 52 million in agriculture damage to Texas. Jun 20, 2011 population increases the total feral pig population in Texas was at 2.6 million.
