May 4 events in history

1256 The Augustinian monastic order is constituted at the Lecceto Monastery when Pope Alexander IV issues a papal bull Licet ecclesiae catholicae
1415 Religious reformers John Wycliffe and Jan Hus are condemned as heretics at the Council of Constance
1436 Assassination of the Swedish rebel (later national hero) Engelbrekt Engelbrektsson
1471 Wars of the Roses: The Battle of Tewkesbury: Edward IV defeats a Lancastrian Army and kills Edward, Prince of Wales
1493 Pope Alexander VI divides the New World between Spain and Portugal along the Line of Demarcation
1626 Dutch explorer Peter Minuit arrives in New Netherland (present day Manhattan Island) aboard the See Meeuw
1675 King Charles II of England orders the construction of the Royal Greenwich Observatory
1686 The Municipality of Ilagan is founded in the Philippines
1776 Rhode Island becomes the first American colony to renounce allegiance to King George III
1799 Fourth Anglo-Mysore War: The Battle of Seringapatam: The siege of Seringapatam ends when the city is invaded and Tipu Sultan killed by the besieging British army, under the command of General George Harris
1814 Emperor Napoleon I of France arrives at Portoferraio on the island of Elba to begin his exile
1814 King Ferdinand VII of Spain signs the Decrete of the 4th of May, returning Spain to absolutism
1836 Formation of Ancient Order of Hibernians
1859 The Cornwall Railway opens across the Royal Albert Bridge linking the counties of Devon and Cornwall in England
1869 The Naval Battle of Hakodate Bay is fought in Japan
1871 The National Association, the first professional baseball league, opens its first season in Fort Wayne, Indiana
1886 Haymarket affair: A bomb is thrown at policemen trying to break up a labor rally in Chicago, Illinois, United States, killing eight and wounding 60. The police fire into the crowd
1902 8 fishermen lose their lives in Galway Bay, County Galway, Ireland in the Galway Bay drowning tragedy
1904 The United States begins construction of the Panama Canal
1904 Charles Stewart Rolls meets Frederick Henry Royce at the Midland Hotel in Manchester, England
1910 The Royal Canadian Navy is created
1912 Italy occupies the Greek island of Rhodes
1919 May Fourth Movement: Student demonstrations take place in Tiananmen Square in Beijing, China, protesting the Treaty of Versailles, which transferred Chinese territory to Japan
1932 In Atlanta, Georgia, mobster Al Capone begins serving an eleven-year prison sentence for tax evasion
1942 World War II: The Battle of the Coral Sea begins with an attack by aircraft from the United States aircraft carrier USS Yorktown on Japanese naval forces at Tulagi Island in the Solomon Islands. The Japanese forces had invaded Tulagi the day before
1945 World War II: Neuengamme concentration camp near Hamburg is liberated by the British Army
1945 World War II: German surrender at Lüneburg Heath, the North German Army surrenders to Field Marshal Bernard Montgomery
1945 World War II: Denmark is granted liberation, when Germany was forced to step out of Denmark thus ending 5 years of occupation
1946 In San Francisco Bay, U.S. Marines from the nearby Treasure Island Naval Base stop a two-day riot at Alcatraz federal prison. Five people are killed in the riot
1949 The entire Torino football team (except for two players who did not take the trip: Sauro Tomà, due to an injury and Renato Gandolfi, because of coach request) is killed in a plane crash at the Superga hill at the edge of Turin, Italy
1953 Ernest Hemingway wins the Pulitzer Prize for The Old Man and the Sea
1959 The 1st Grammy Awards are held
1961 American civil rights movement: The "Freedom Riders" begin a bus trip through the South
1970 Vietnam War: Kent State shootings: the Ohio National Guard, sent to Kent State University after disturbances in the city of Kent the weekend before, opens fire killing four unarmed students and wounding nine others. The students were protesting the United States' invasion of Cambodia
1972 The Don't Make A Wave Committee, a fledgling environmental organization founded in Canada in 1971, officially changes its name to "Greenpeace Foundation"
1974 An all-female Japanese team reaches the summit of Manaslu, becoming the first women to climb an 8,000-meter peak
1979 Margaret Thatcher becomes the first female Prime Minister of the United Kingdom
1982 Twenty sailors are killed when the British Type 42 destroyer HMS Sheffield is hit by an Argentinian Exocet missile during the Falklands War
1988 The PEPCON disaster rocks Henderson, Nevada, as tons of space shuttle fuel detonate during a fire
1989 Iran-Contra Affair: Former White House aide Oliver North is convicted of three crimes and acquitted of nine other charges. The convictions, however, are later overturned on appeal
1990 Latvia proclaims the renewal of its independence after the Soviet occupation
1994 Israeli Prime Minister Yitzhak Rabin and PLO leader Yasser Arafat sign a peace accord regarding Palestinian autonomy granting self-rule in the Gaza Strip and Jericho
1998 A federal judge in Sacramento, California, gives "Unabomber" Theodore Kaczynski four life sentences plus 30 years after Kaczynski accepts a plea agreement sparing him from the death penalty
2000 Ken Livingstone becomes the first Mayor of London
2002 An EAS Airlines BAC 1-11-500 crashes in a suburb of Kano, Nigeria shortly after takeoff, killing 149 people
2007 Greensburg, Kansas is almost completely destroyed by a 1.7 mi wide EF5 tornado—the first-ever tornado to be rated as such with the new Enhanced Fujita Scale
2014 3 people are killed and 62 injured in a pair of bombings on buses in Nairobi, Kenya