1828 – Foundation of Bahia Blanca, Argentina
1856 – Battle of Rivas; Costa Rica beats William Walker’s invading Nicaraguans
1907 – New York Giants future Baseball Hall of Fame backstop Roger Bresnahan becomes first catcher to wear shin guards
1921 – KDKA broadcast 1st radio sporting event, a boxing match (Ray-Dundee)
1957 – Britain agrees to Singaporean self-rule.
1970 – Beatles’ “Let It Be” single goes #1 and stays #1 for 2 weeks
1975 – Hank Aaron returns to County Stadium as a Milwaukee player after his off-season trade from the Atlanta Braves; Brewers beat Cleveland Indians, 6-2
1975 – J. P. Parisé scores an 11 sec OT goal, to see the NY Islanders eliminate the NY Rangers in their ever 1st playoff advance
1984 – Soyuz T-11 returns to Earth
2010 – 74th US Masters Tournament, Augusta National GC: Phil Mickelson wins his 3rd green jacket by 3 strokes from England’s Lee Westwood