1918 In Britain, the Royal Flying Corps and the Royal Naval Air Force amalgamate to form the Royal Air Force.
1920 Church disestablished in Wales
1921 K Reinmuth discovers asteroid #950 Ahrensa
1924 Crown takes over Northern Rhodesia from British South Africa Co
1924 Founding of the Royal Canadian Air Force as a separate service; RCAF previously founded by Billy Bishop in 1918 as a separate brigade.
1924 Imperial Airways formed in Britain
1925 Hebrew University, Jerusalem dedicated [see May 9, 1925]
1927 Automatic record changer introduced by His Master's Voice
1927 The American Department of Labor puts immigration quota on Canadians looking for work in the USA.
1930 Zawditu first reigning female monarch of Ethiopia, dies
1931 Jackie Mitchell became first female in professional baseball
1932 Ford introduced its new offering the high-performance Ford V-8, the first Ford with an 8-cylinder engine.
1932 The RCMP absorbs provincial police forces of Nova Scotia, New Brunswick, Manitoba and Alberta.
1933 In the German state, the boycott of Jewish shops and businesses begins
1933 Nazi Germany begins persecution of Jews boycotting Jewish businesses
1935 First radio tube made of metal announced, Schenectady, NY
1935 L Boyer discovers asteroid #1344 Caubeta
1936 Orissa constituted a province of British India
1937 K Reinmuth discovers asteroids #1417 Walinskia ൙ Tamblyn
1937 M Laugier discovers asteroid #1426 Riviera
1938 Baseball Hall of Fame opens in Cooperstown, NY
1939 US recognizes Franco government in Spain at end of Spanish civil war
1941 Navy takes over Treasure Island (SF Bay)
1942 Department of Munitions & Supply puts gasoline on coupon rationing; national speed limit of 64 km an hour proclaimed.
1942 First Naval Air Transportation Service (NATS) squadron for Pacific operations commissioned
