March 15

• March 15, 44 BC
  Julius Caesar, dictator of the Roman Republic, is assassinated by a group of senators led by Marcus Junius Brutus in the Portico of the Theater of Pompey
• March 15, 493
  Odoacer, a Germanic soldier and the first King of Italy, is murdered by king of the Germanic Ostrogoths Theoderic while they shared a meal
• March 15, 933
  Henry the Fowler, King of East Francis, routes the raiding Magyars at the Battle of Riade
• March 15, 1493
  Christopher Columbus returns to Spain after first new world voyage
• March 15, 1672
  King Charles II enacts Royal Declaration of Indulgence suspending the execution of the penal laws that punished recusants from the Church of England
• March 15, 1697
  Hannah Duston, a 40-year-old colonial Massachusetts Puritan woman, in what is now New Hampshire is attacked and captured by 12 Indians who kills her daughter
• March 15, 1781
  British suffer heavy losses at the Battle of Guilford Court House, South Carolina
• March 15, 1848
  In Hungary an uprising against Habsburg rule begins in front of the national museum in Budapest
• March 15, 1867
  The Austro-Hungarian Compromise establishes of the dual monarchy known as Austria-Hungary, with separate parliaments and prime ministers in the regions and a single head of state
• March 15, 1906
  British Charles Rolls and Henry Royce form Rolls Royce Ltd., a car-manufacturing company
• March 15, 1907
  Finland becomes first European country to give women the right to vote
• March 15, 1915
  In response to the attack on Columbus, President U.S. President Woodrow Wilson orders General John J. Pershing to proceed into Mexico with over 5,000 men to capture or kill Mexican revolutionary Francisco "Pancho" Villa
• March 15, 1917
  Russian Czar Nicholas II abdicates the throne in his royal train going towards Petrograd, as a result of the February Revolution, bringing an end to the czarist autocracy in Russia
• March 15, 1939
  German troops enter Prague, the capital of Czechoslovakia, after which Adolf Hitler proclaims from Prague Castle Bohemia and Moravia a German protectorate
• March 15, 1969
  Hundreds die during violent Chinese-Russian border dispute
• March 15, 1986
  Funeral services are held for Swedish Prime Minister Olaf Palme, murdered by an assailant on a street in Stockholm
• March 15, 1988
  NASA reports accelerated breakdown of ozone layer by chlorofluorocarbons
• March 15, 1990
  Mikhail Gorbachev is elected as the first executive president of the Soviet Union
• March 15, 1994
  U.S. troops are withdrawn from Somalia
• March 15, 2003
  In Bangui, Central African Republic, ex-chief of army General François Bozizé and 1000 troops stage a military coup against President Ange-Felix Patassé, Ange-Félix Patassé