1544 – Scot Earl Matthew Lennox signs secret treaty with Henry VIII
1921 – Belgian and Luxembourg sign customs union
1927 – U.S. Army aviation pioneer Major Harold Geiger dies in the crash of his Airco DH.4 de Havilland plane at Olmstead Field, Pennsylvania
1937 – Juan Negrin succeeds Largo Caballero as Spain’s premier
1940 – Germany occupies Brussels, Belgium and begins invasion of France
1943 – The United States Army contracts with the University of Pennsylvania’s Moore School to develop the ENIAC (Electronic Numerical Integrator And Computer).
1944 – Chinese and US armed forces take Myitkyina Airport, Burma
1958 – Emergency crisis proclaimed in Algeria
1990 – The Bank of China Tower in Hong Kong designed by I. M. Pei opens as the first supertall skyscraper outside the US
2015 – Canada defeats Russia to win gold at the 2015 IIHF World Championship