1549 Salvador da Bahia, the first capital of Brazil, was founded.
1632 Treaty of Saint-Germain was signed, returning Quebec to French control after the English had seized it in 1629.
1638 Swedish colonists established the first settlement in Delaware, naming it New Sweden.
1790 John Tyler, 10th President of the United States, was born (d. 1862).
1792 King Gustav III of Sweden died after being shot in the back at a midnight masquerade ball 13 days earlier.
1799 New York passed a law aimed at gradually abolishing slavery in the state.
1799 Edward Smith-Stanley, 14th Earl of Derby, Prime Minister of the United Kingdom, was born (d. 1869).
1806 Construction was authorised of the Great National Pike, better known as the Cumberland Road, the first United States federal highway.
1809 King Gustav IV Adolf of Sweden abdicated after a coup d’état.
1831 Great Bosnian uprising: Bosniak rebel against Turkey.
1849 The United Kingdom annexed the Punjab.
1865 American Civil War: The Battle of Appomattox Court House began.
1867 Queen Victoria gave Royal Assent to the British North America Act which established the Dominion of Canada on July 1.
1870 Pavlos Melas, Greek officer who organized and participated in the Greek Struggle for Macedonia, was born (d. 1904).
1871 The Royal Albert Hall was opened by Queen Victoria.
1879 Anglo-Zulu War: Battle of Kambula: British forces defeated 20,000 Zulus.
1882 The Knights of Columbus were established.
1900 John McEwen, eighteenth Prime Minister of Australia, was born (d. 1980).
1902 William Walton, English composer, was born (d. 1983).
1911 The M1911 .45 ACP pistol became the official U.S. Army side arm.
1916 Eugene McCarthy, American politician, was born (d. 2005).
1930 Heinrich Brüning was appointed German Reichskanzler.
1936 In Germany, Adolf Hitler received 99% of the votes in a referendum to ratify Germany’s illegal reoccupation of the Rhineland, receiving 44.5 million votes out of 45.5 million registered voters.
1942 Nazi sabotage hoax – career criminal Sydney Ross met the minister of national service, Robert Semple, in Wellington and claimed he had been approached by a German agent to join a sabotage cell and that Nazi agents had landed by submarine and were living at Ngongotaha, Rotorua. Ross was taken to see Prime Minister Peter Fraser, who referred the matter to Major Kenneth Folkes, a British intelligence officer brought to New Zealand to set up the Security Intelligence Bureau.
1942 The Bombing of Lübeck was the first major success for the RAF Bomber Command against Germany and a German city.
1943 Eric Idle, English actor, writer, and composer, was born.
1943 Sir John Major, former Prime Minister of the United Kingdom, was born.
1943 Vangelis, Greek musician and composer, was born .
1945 Last day of V-1 flying bomb attacks on England.
1957 The New York, Ontario and Western Railway made its final run.
1961 The Twenty-third Amendment to the United States Constitution was ratified, allowing residents of Washington, D.C. to vote in presidential elections.
1963 Elle Macpherson, Australian model, was born.
1968 Lucy Lawless, New Zealand actress and singer, was born.
1971 – A Los Angeles, California jury recommended the death penalty for Charles Manson and three female followers.
1973 Vietnam War: The last United States combat soldiers left South Vietnam.
1974 NASA’s Mariner 10 became the first spaceprobe to fly by Mercury.
1993 Catherine Callbeck became premier of Prince Edward Island and Canada’s first female to be elected in a general election as a premier.
1999 The Dow Jones Industrial Average closed above the 10,000 mark (10,006.78) for the first time ever, during the height of the internet boom.
2004 Bulgaria, Estonia, Latvia, Lithuania, Romania, Slovakia and Slovenia joined NATO as full members.
2004 The Republic of Ireland became the first country in the world to ban smoking in all work places, including bars and restaurants.
2008- 35 Countries & more 370 cities joined Earth Hour for the first time.
2010 – Two female suicide bombers hit the Moscow Metro system at the peak of the morning rush hour, killing 40.
Sourced from NZ History Online & Wikipedia