1543 – England and Scotland signed the peace of Greenwich.
1596 – An English fleet under the Earl of Essex, Lord Howard of Effingham and Francis Vere captured and sacked Cadiz, Spain.
1690 – The French defeated the forces of the Grand Alliance at Fleurus in the Netherlands.
1798 – Napoleon Bonaparte took Alexandria, Egypt.
1867 – Canada became an independent dominion.
1876 – Montenegro declared war on the Turks.
1898 – During the Spanish-American War, Theodore Roosevelt and his “Rough Riders” waged a victorious assault on San Juan Hill in Cuba.
1916 – The massive Allied offensive known as the Battle of the Somme began in France. The battle was the first to use tanks.
1942 – German troops captured Sevestpol, Crimea, in the Soviet Union.
1946 – U.S. President Harry Truman signed Public Law 476 that incorporated the Civil Air Patrol as a benevolent, nonprofit organization. The Civil Air Patrol was created on December 1, 1941.
1946 – The U.S. exploded a 20-kiloton atomic bomb near Bikini Atoll in the Pacific Ocean.
1950 – American ground troops arrived in South Korea to stem the tide of the advancing North Korean army.
1960 – Somalia gained its independence from Britain through the unification of Somaliland with Italian Somalia.
1961 – British troops landed in Kuwait to aid against Iraqi threats.
1961 – The first community air-raid shelter was built. The shelter in Boise, ID had a capacity of 1,000 people and family memberships sold for $100.
1968 – The Nuclear Nonproliferation Treaty was signed by 60 countries. It limited the spreading of nuclear material for military purposes. On May 11, 1995, the treaty was extended indefinitely.
1969 – Britain’s Prince Charles was invested as the Prince of Wales.
1974 – Isavel Peron became the president of Argentina upon the death of her husband, Juan.
1980 – U.S. President Jimmy Carter signed legislation that provided for 2 acres of land near the Lincoln Memorial for the Vietnam Veterans Memorial.
1987 – John Kevin Hill, at age 11, became the youngest to fly across the U.S. when he landed at National Airport in Washington, DC.
1989 – The Montreal Protocol, an international treaty, went into effect. It limited the production of ozone-destroying chemicals.
1991 – The Warsaw Pact dissolved.
1994 – Yasser Arafat of the Palestinian Liberation Organization visited the Gaza Strip.
1997 – The sovereignty over Hong Kong was transferred from Great Britain to China. Britain had controlled Hong Kong as a colony for 156 years.