715 Accession of Pope Gregory II (715-731), later canonized
1579 Peace of Arras: Reconciliation of the Southern Netherlands to Philip II of Spain
1588 Spanish Armada sets sail from Cadiz for Lisbon
1639 Battle of Thionville: Imperialists defeat the French
1643 Battle of Rocroi/Allersheim: Decisive French victory over the Spanish -- Learn More
1649 Parliament declares England a republic, known as the Commonwealth
1652 Spanish capture Gravelines
1793 Dutch capture St Maarten from France
1796 Battle of Lodi: Bonaparte's French defeat the Austrians
1802 First Consul Bonaparte institutes the Legion of Honor
1822 Gen Agustin Iturbide is proclaimed Emperor Agustin I of Mexico (May 19, 1822-March 19, 1823), deposed
1849 Battle of Velletri: Neapolitans beat off Garibaldi's Roman troops
1864 Battle of Spotsylvania ends
1929 General Feng Yu-Xiang declares war on Chinese government
1931 "Pocket Battleship" 'Deutschland' launched in Germany
1934 Military coup in Bulgaria by Col. Damian Veltsjev
1940 Charles De Gaulle's 4th Arm Div counterattacks the Germans at PĂ©ronne -- Learn More
1943 Nazis declare Berlin is "Judenrien - Free of Jews"
1943 Winston Churchill addresses Congress for the second time
1944 US 88th Inf Div liberates Itri
1944 US troops overrun most of Wakde, New Guinea, & begin repairing the airfield.
1949 Ticker tape parade on Broadway for General Lucius D. Clay
1951 UN begins counter offensive in Korea
1958 NORAD is formed
1960 USAF Maj Robert M White takes X-15 to 33,222 m
1964 Over 40 "bugs" found in the U.S. embassy in Moscow
1967 US bombs Hanoi
1997 USS 'The Sullivans' (DDG-68) commissioned in New York
http://www.strategypage.com/today-in-military-history.aspx