On this day in pro wrestling history (June 23): Steve Austin era begins, Nagurski beats Thesz for NWA title, Gino Hernandez downs Ric Flair, WCW title unification bout, Brock Lesnar

By Brian Hoops, WrestlingObserver.com 1939 – Bronko Nagurski defeated Lou Thesz to win the National Wrestling Association World Heavyweight Title in Houston, Texas. 1944 – Firpo “On this day in pro wrestling history (June 23): Steve Austin era begins, Nagurski beats Thesz for NWA title, Gino Hernandez downs Ric Flair, WCW title unification bout, Brock Lesnar”