Brett Favre celebrated his 421st career touchdown pass.
Packers' WR Greg Jennings was on the receiving end of history.
Favre and Jennings pose on the sideline following the record-setting score.
Favre presented the football he threw for his 421st career TD to the Hall of Fame's VP-Communications/Exhibits Joe Horrigan.
Jason Aikens, the Hall of Fame's curator, places the record football on display.
The record ball.