Event:
Golfer Zach Johnson wins the British Open, becoming one of only six golfers in history to win at both the St. Andrews Old Course and the Augusta National course
More Notable Events on July 20:
1994 O. J. Simpson offers $500,000 reward for evidence of ex-wife's klller
1988 Michael Dukakis selected Democratic presidential nominee
1984 Vanessa Williams is asked to resign as Miss America
1976 U.S. Viking 1 lands on Mars at Chryse Planitia, 1st Martian landing
1969 1st men on Moon, Neil Armstrong and Edwin Aldrin, Apollo 11
