's career home run record, on this day in history, April 8, 1974.
Known as "Hammerin' Hank" for his impressive home run abilities, Aaron hit his record-breaking home run off Los Angeles Dodgers pitcher Al Downing, according to the National Baseball Hall of Fame website.
The ball went into the "left field bullpen at Atlanta-Fulton Count Stadium, giving Aaron 715 career home runs," said the site.
ON THIS DAY IN HISTORY, APRIL 7, 1963, JACK NICKLAUS WINS FIRST OF RECORD SIX MASTERS TOURNAMENTS
Up to that point, Babe Ruth's home run record had stood for nearly 20 years, since his retirement from the game in 1935.