On April 20, 1966 –  1966 – At Connie Mack Stadium, Hank Aaron hits his 399th and 400th home runs to lead the Atlanta Braves to a victory, 8 – 1, over the Philadelphia Phillies. The first shot is off starter Ray Culp in the 1st inning, and number 400 comes in the 9th, off Bo Belinsky.