Historical Events in April 1937

Apr 4 4th Augusta National Invitation Tournament (Masters) Golf: Byron Nelson wins first of his 5 major titles by 2 strokes ahead of Ralph Guldahl

Apr 12 Sir Frank Whittle ground-tests the first jet engine designed to power an aircraft at Rugby, England.
Apr 15 Stanley Cup Final, Olympia Stadium, Detroit, MI: Detroit Red Wings beat New York Rangers, 3-0 for a 3-2 series win; back-to-back titles for Red Wings
Apr 19 41st Boston Marathon won by Walter Young of Canada in 2:33:20
Apr 22 NYC college students stage 4th annual peace strike
Apr 26 German Luftwaffe destroys Basque town of Guernica in Spain
Apr 27 1st US social security payment made
Apr 28 1st animated cartoon electric sign displayed (NYC)
Apr 28 1st commercial flight across Pacific operated by Pan Am
Apr 30 The Philippines holds a plebiscite for Filipino women on whether they should be extended the right to suffrage; over 90% would vote in the affirmative