March 30 events in history

598 Balkan Campaign: The Avars lift the siege at the Byzantine stronghold of Tomis. Their leader Bayan I retreats north of the Danube River after the Avaro-Slavic hordes are decimated by the plague
1282 The people of Sicily rebel against the Angevin king Charles I, in what becomes known as the Sicilian Vespers
1296 Edward I sacks Berwick-upon-Tweed, during armed conflict between Scotland and England
1814 Napoleonic Wars: Sixth Coalition forces march into Paris
1815 Joachim Murat issues the Rimini Proclamation which would later inspire Italian Unification
1822 The Florida Territory is created in the United States
1841 The National Bank of Greece is founded in Athens
1842 Ether anesthesia is used for the first time, in an operation by the American surgeon Dr. Crawford Long
1844 One of the most important battles of the Dominican War of Independence from Haiti takes place near the city of Santiago de los Caballeros
1855 Origins of the American Civil War: Bleeding Kansas – "Border Ruffians" from Missouri invade Kansas and force election of a pro-slavery legislature
1856 The Treaty of Paris is signed, ending the Crimean War
1863 Danish prince Wilhelm Georg is chosen as King George of Greece
1867 Alaska is purchased from Russia for $7.2 million, about 2-cent/acre ($4.19/km²), by United States Secretary of State William H. Seward
1870 Texas is readmitted to the Union following Reconstruction
1885 The Battle for Kushka triggers the Panjdeh Incident which nearly gives rise to war between the British Empire and Russian Empire
1899 German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights
1909 The Queensboro Bridge in New York City opens, linking Manhattan and Queens
1910 The Mississippi Legislature founds The University of Southern Mississippi
1912 Sultan Abdelhafid signs the Treaty of Fez, making Morocco a French protectorate
1918 Outburst of bloody March Events in Baku and other locations of Baku Governorate
1939 The Heinkel He 100 fighter sets a world airspeed record of 463 mph (745km/h)
1939 Detective Comics #27 is released, introducing Batman
1940 Second Sino-Japanese War: Japan declares Nanking capital of a new Chinese puppet government, nominally controlled by Wang Jingwei
1944 World War II: Allied bombers conduct their most severe bombing run on Sofia, Bulgaria
1944 Allied bombing raid on Nuremberg. Along the English eastern coast 795 aircraft are despatched, including 572 Lancasters, 214 Halifaxes and 9 Mosquitos. The bombers meet resistance at the coasts of Belgium and the Netherlands from German fighters. In total, 95 bombers are lost, making it the largest RAF Bomber Command loss of World War II
1945 World War II: Soviet forces invade Austria and capture Vienna; Polish and Soviet forces liberate Danzig
1949 A riot breaks out in Austurvöllur square in Reykjavík, when Iceland joins NATO
1954 The Yonge Street subway line opens in Toronto. It is the first subway in Canada
1961 The Single Convention on Narcotic Drugs is signed in New York City
1964 Jeopardy!, hosted by Art Fleming debuts
1965 Vietnam War: A car bomb explodes in front of the United States Embassy, Saigon, killing 22 and wounding 183 others
1972 Vietnam War: The Easter Offensive begins after North Vietnamese forces cross into the Demilitarized Zone (DMZ) of South Vietnam
1976 The first Land Day protests are held in Israel/Palestine
1979 Airey Neave, a British Member of Parliament, is killed by a car bomb as he exits the Palace of Westminster. The Irish National Liberation Army claims responsibility
1981 U.S. President Ronald Reagan is shot in the chest outside a Washington, D.C., hotel by John Hinckley, Jr. Another two people are wounded at the same time
1982 Space Shuttle program: STS-3 Mission is completed with the landing of Columbia at White Sands Missile Range, New Mexico
2006 The United Kingdom Terrorism Act 2006 becomes a law
2009 Twelve gunmen attack the Manawan Police Academy in Lahore, Pakistan