March 18 events in history

37 The Roman Senate annuls Tiberius's will and proclaims Caligula emperor
235 Emperor Alexander Severus and his mother Julia Mamaea are murdered by legionaries near Mogontiacum (modern Mainz), ending the Severan dynasty
633 Ridda Wars: The Arabian Peninsula is united under the central authority of Caliph Abu Bakr
1229 Frederick II, Holy Roman Emperor, declares himself King of Jerusalem in the Sixth Crusade
1241 First Mongol invasion of Poland: Mongols overwhelm Polish armies in Kraków in the Battle of Chmielnik and plunder the city
1314 Jacques de Molay, the 23rd and the last Grand Master of the Knights Templar, is burned at the stake
1438 Albert II of Habsburg becomes Holy Roman Emperor
1608 Susenyos is formally crowned Emperor of Ethiopia
1644 The Third Anglo-Powhatan War begins in the Colony of Virginia
1741 New York governor George Clarke's complex at Fort George is burned in an arson attack, starting the New York Conspiracy of 1741
1766 American Revolution: The British Parliament repeals the Stamp Act
1793 The first republic in Germany, the Republic of Mainz, is declared by Andreas Joseph Hofmann
1834 Six farm labourers from Tolpuddle, Dorset, England are sentenced to be transported to Australia for forming a trade union
1848 March Revolution: in Berlin there is a struggle between citizens and military, costing about 300 lives
1850 American Express is founded by Henry Wells and William Fargo
1865 American Civil War: The Congress of the Confederate States adjourns for the last time
1871 Declaration of the Paris Commune; President of the French Republic, Adolphe Thiers, orders the evacuation of Paris
1874 Hawaii signs a treaty with the United States granting exclusive trade rights
1892 Former Governor General Lord Stanley pledges to donate a silver challenge cup, later named after him, as an award for the best hockey team in Canada the Stanley Cup
1906 Traian Vuia flies a heavier-than-air aircraft for 11 meters at an altitude of one meter
1913 King George I of Greece is assassinated in the recently liberated city of Thessaloniki
1915 World War I: During the Battle of Gallipoli, three battleships are sunk during a failed British and French naval attack on the Dardanelles
1921 The second Peace of Riga is signed between Poland and the Soviet Union
1922 In India, Mohandas Gandhi is sentenced to six years in prison for civil disobedience. He serves only 2 years
1925 The Tri-State Tornado hits the Midwestern states of Missouri, Illinois, and Indiana, killing 695 people
1937 The New London School explosion in New London, Texas, kills 300 people, mostly children
1937 Spanish Civil War: Spanish Republican forces defeat the Italians at the Battle of Guadalajara
1937 The human-powered aircraft, Pedaliante, flies 1 kilometre (0.62 mi) outside Milan
1938 Mexico nationalizes all foreign-owned oil properties within its borders
1940 World War II: Axis Powers – Adolf Hitler and Benito Mussolini meet at the Brenner Pass in the Alps and agree to form an alliance against France and the United Kingdom
1942 The War Relocation Authority is established in the United States to take Japanese Americans into custody
1944 The eruption of Mount Vesuvius in Italy kills 26 people and causes thousands to flee their homes
1945 World War II: 1,250 American bombers attack Berlin
1946 Diplomatic relations between Switzerland and the Soviet Union are established
1948 Soviet consultants leave Yugoslavia in the first sign of the Tito-Stalin split
1953 An earthquake hits western Turkey, killing 265 people
1959 President Dwight D. Eisenhower signs a bill into law allowing for Hawaiian statehood, which would become official on August 21
1962 The Evian Accords end the Algerian War of Independence, which had begun in 1954
1965 Cosmonaut Aleksei Leonov, leaving his spacecraft Voskhod 2 for 12 minutes, becomes the first person to walk in space
1967 The supertanker Torrey Canyon runs aground off the Cornish coast
1968 Gold standard: The U.S. Congress repeals the requirement for a gold reserve to back US currency
1969 The United States begins secretly bombing the Sihanouk Trail in Cambodia, used by communist forces to infiltrate South Vietnam
1970 Lon Nol ousts Prince Norodom Sihanouk of Cambodia
1970 The U.S. postal strike of 1970 begins, one of the largest wildcat strikes in U.S. history
1971 In Peru a landslide crashes into Yanawayin Lake, killing 200 people at the mining camp of Chungar
1974 Oil embargo crisis: Most OPEC nations end a five-month oil embargo against the United States, Europe and Japan
1980 At Plesetsk Cosmodrome in Russia, 50 people are killed by an explosion of a Vostok-2M rocket on its launch pad during a fueling operation
1985 First episode of Neighbours broadcast
1990 Germans in the German Democratic Republic vote in the first democratic elections in the former communist dictatorship
1990 In the largest art theft in US history, 12 paintings, collectively worth around $300 million, are stolen from the Isabella Stewart Gardner Museum in Boston, Massachusetts