March 1st
509 BC Publius Valerius Publicola celebrates the first triumph of the Roman Republic after his victory over the deposed king Lucius Tarquinius Superbus at the Battle of Silva Arsia.
86 BC Lucius Cornelius Sulla, at the head of a Roman Republic army, enters Athens, removing the tyrant Aristion who was supported by troops of Mithridates VI of Pontus ending the Siege of Athens and Piraeus.
293 Emperor Diocletian and Maximian appoint Constantius Chlorus and Galerius as Caesars. This is considered the beginning of the Tetrarchy, known as the Quattuor Principes Mundi ("Four Rulers of the World").
317 Crispus and Constantine II, sons of Roman Emperor Constantine I, and Licinius Iunior, son of Emperor Licinius, are made Caesares.
350 Vetranio is asked by Constantina, sister of Constantius II, to proclaim himself Caesar.
834 Emperor Louis the Pious is restored as sole ruler of the Frankish Empire. After his re-accession to the throne, his eldest son Lothair I flees to Burgundy.
1457 The Unitas Fratrum is established in the village of Kunvald, on the Bohemian-Moravian borderland. It is to date the second oldest Protestant denomination.
1476 Forces of the Catholic Monarchs engage the combined Portuguese-Castilian armies of Afonso V and Prince John at the Battle of Toro.
1562 Sixty-three Huguenots are massacred in Wassy, France, marking the start of the French Wars of Religion.
1565 The city of Rio de Janeiro is founded.
1628 Writs issued in February by Charles I of England mandate that every county in England (not just seaport towns) pay ship tax by this date.
1633 Samuel de Champlain reclaims his role as commander of New France on behalf of Cardinal Richelieu.
1642 Georgeana, Massachusetts (now known as York, Maine), becomes the first incorporated city in the United States.
1692 Sarah Good, Sarah Osborne and Tituba are brought before local magistrates in Salem Village, Massachusetts, beginning what would become known as the Salem witch trials.
1700 Sweden introduces its own Swedish calendar, in an attempt to gradually merge into the Gregorian calendar, reverts to the Julian calendar on this date in 1712, and introduces the Gregorian calendar on this date in 1753.
1713 The siege and destruction of Fort Neoheroka begins during the Tuscarora War in North Carolina, effectively opening up the colony's interior to European colonization.
1781 The Continental Congress adopts the Articles of Confederation.
1790 The first United States census is authorized.
1793 French Revolutionary War: Battle of Aldenhoven during the Flanders Campaign.
1796 The Dutch East India Company is nationalized by the Batavian Republic.
1805 Justice Samuel Chase is acquitted at the end of his impeachment trial by the U.S. Senate.
1811 Leaders of the Mamluk dynasty are killed by Egyptian ruler Muhammad Ali.
1815 Napoleon returns to France from his banishment on Elba.
1815 Georgetown University's congressional charter is signed into law by President James Madison.
1836 A convention of delegates from 57 Texas communities convenes in Washington-on-the-Brazos, Texas, to deliberate independence from Mexico.
1845 United States President John Tyler signs a bill authorizing the United States to annex the Republic of Texas.
1852 Archibald Montgomerie, 13th Earl of Eglinton, is appointed Lord Lieutenant of Ireland.
1854 German psychologist Friedrich Eduard Beneke disappears; two years later his remains are found in a canal near Charlottenburg.
1867 Nebraska becomes the 37th U.S. state; Lancaster, Nebraska is renamed Lincoln and becomes the state capital.
1868 The Pi Kappa Alpha Fraternity is founded at the University of Virginia.
1870 Marshal F. S. Lσpez dies during the Battle of Cerro Corα thus marking the end of the Paraguayan War.
1872 Yellowstone National Park is established as the world's first national park.
1873 E. Remington and Sons in Ilion, New York begins production of the first practical typewriter.
1881 The first Minnesota State Capitol burns down due to a fire.
1886 The Anglo-Chinese School, Singapore is founded by Bishop William Oldham.
1893 Electrical engineer Nikola Tesla gives the first public demonstration of radio in St. Louis, Missouri.
1896 Battle of Adwa: An Ethiopian army defeats an outnumbered Italian force, ending the First Italo-Ethiopian War.
1896 Henri Becquerel discovers radioactive decay.
1901 The Australian Army is formed.
1910 The worst avalanche in United States history buries a Great Northern Railway train in northeastern King County, Washington, killing 96 people.
1914 The Republic of China joins the Universal Postal Union.
1917 The Zimmermann Telegram is reprinted in newspapers across the United States after the U.S. government releases its unencrypted text.
1919 March 1st Movement begins in Korea under Japanese rule.
1921 The Australian cricket team captained by Warwick Armstrong becomes the first team to complete a whitewash of The Ashes, something that would not be repeated for 86 years.
1932 Charles Lindbergh's son is reportedly kidnapped.
1936 The Hoover Dam is completed.
1939 An Imperial Japanese Army ammunition dump explodes at Hirakata, Osaka, Japan, killing 94.
1941 World War II: Bulgaria signs the Tripartite Pact, allying itself with the Axis powers.
1942 World War II: Japanese forces land on Java, the main island of the Dutch East Indies, at Merak and Banten Bay (Banten), Eretan Wetan (Indramayu) and Kragan (Rembang).
1946 The Bank of England is nationalised.
1947 The International Monetary Fund begins financial operations.
1949 Indonesian Army recaptures and occupies for six hours its capital city Yogyakarta from the Dutch.
1950 Cold War: Klaus Fuchs is convicted of spying for the Soviet Union by disclosing top secret atomic bomb data.
1953 Soviet Premier Joseph Stalin suffers a stroke and collapses; he dies four days later.
1954 Nuclear weapons testing: The Castle Bravo, a 15-megaton hydrogen bomb, is detonated on Bikini Atoll in the Pacific Ocean, resulting in the worst radioactive contamination ever caused by the United States.
1954 Armed Puerto Rican nationalists attack the United States Capitol building, injuring five Representatives.
1956 The International Air Transport Association finalizes a draft of the Radiotelephony spelling alphabet for the International Civil Aviation Organization.
1956 Formation of the East German Nationale Volksarmee.
1958 Samuel Alphonsus Stritch is appointed Pro-Prefect of the Propagation of Faith and thus becomes the first U.S. member of the Roman Curia.
1961 United States President John F. Kennedy establishes the Peace Corps.
1961 Uganda becomes self-governing and holds its first elections.
1964 Villarrica Volcano begins a strombolian eruption causing lahars that destroy half of the town of Coρaripe.
1966 Venera 3 Soviet space probe crashes on Venus becoming the first spacecraft to land on another planet's surface.
1966 The Ba'ath Party takes power in Syria.
1971 President of Pakistan Yahya Khan indefinitely postpones the pending national assembly session, precipitating massive civil disobedience in East Pakistan.
1972 The Thai province of Yasothon is created after being split off from the Ubon Ratchathani Province.
1973 Black September storms the Saudi embassy in Khartoum, Sudan, resulting in the assassination of three Western hostages.
1974 Watergate scandal: Seven are indicted for their role in the Watergate break-in and charged with conspiracy to obstruct justice.
1981 Provisional Irish Republican Army member Bobby Sands begins his hunger strike in HM Prison Maze.
1990 Steve Jackson Games is raided by the United States Secret Service, prompting the later formation of the Electronic Frontier Foundation.
1991 Uprisings against Saddam Hussein begin in Iraq, leading to the death of more than 25,000 people mostly civilian.
1992 Bosnia and Herzegovina declares its independence from Socialist Federal Republic of Yugoslavia.
1998 Titanic became the first film to gross over $1 billion worldwide.
Men learn to dread the phrase "Honey lets go to a movie"
2002 U.S. invasion of Afghanistan: Operation Anaconda begins in eastern Afghanistan.
2002 The Envisat environmental satellite successfully reaches an orbit 800 kilometers (500 mi) above the Earth on its 11th launch, carrying the heaviest payload to date at 8500 kilograms (8.5 tons).
2003 Management of the United States Customs Service and the United States Secret Service move to the United States Department of Homeland Security.
2003 The International Criminal Court holds its inaugural session in The Hague.
2005 In Roper v. Simmons, the U.S. Supreme Court rules that the execution of juveniles found guilty of murder is unconstitutional.
2006 English-language Wikipedia reaches its one millionth article, Jordanhill railway station.
2007 Tornadoes break out across the southern United States, killing at least 20 people, including eight at Enterprise High School.
2008 The Armenian police clash with peaceful opposition rally protesting against allegedly fraudulent presidential elections, as a result ten people are killed.
2014 At least 29 people are killed and 130 injured in a mass stabbing at Kunming Railway Station in China.