May 18th

Dominique Strauss-Kahn resigned as head of the International Monetary Fund, saying he wanted to devote all his energy to battling the sexual assault charges he faced in New York. (The charges were later dropped.).
New York v. Strauss-Kahn
The Sri Lankan Civil War ends. The 25-year conflict between the government and the separatist Tamil Tigers had claimed up to 100,000 lives. It ended with the Tigers' defeat.
Sri Lankan Civil War
Randy Johnson, 40, became the oldest pitcher in major league history to throw a perfect game, leading the Arizona Diamondbacks over the Atlanta Braves 2-0.
Randy Johnson's perfect game
'Les Miserables', the third-longest running show in Broadway history, closed after more than 16 years and 6,680 performances.
Les Misérables (musical)
A bill was finally passed that removed the Confederate flag from the South Carolina statehouse.
South Carolina State House
The federal government filed a sweeping antitrust case against Microsoft Corp.
United States v. Microsoft Corp.
Israeli troops withdrew from the Gaza strip after three decades of occupation and Palestinians took over.
Israeli-occupied territories
Mount St. Helens, in Washington state, erupted after being dormant for 123 years.
1980 eruption of Mount St. Helens
India becomes the sixth nation to explode an atomic bomb.
Smiling Buddha
Apollo 10 was launched on a mission that served as a dress rehearsal for the first moon landing.
Apollo 10
Jacqueline Cochran became the first woman to fly faster than the speed of sound.
Jacqueline Cochran
The United Nations moved out of its temporary headquarters in Lake Success, N.Y., for its permanent home in Manhattan.
Headquarters of the United Nations
The Tennessee Valley Authority was created.
Tennessee Valley Authority
45 people die in the United States' worst school massacre. In the Bath school disaster, a disgruntled school board member set off several bombs at the Bath Consolidated School and other locations in Michigan.
Bath School disaster
Pope John Paul II was born near Krakow, Poland.
Pope John Paul II
Composer Gustav Mahler died in Vienna, Austria, at age 50.
Gustav Mahler
A public reading of Bram Stoker's new novel "Dracula, or, The Un-dead" was staged in London.
Dracula in popular culture
The Supreme Court endorsed the concept of "separate but equal" racial segregation in Plessy v. Ferguson, a precedent that was overturned in Brown v. Board of Education in 1954.
Separate but equal
The Republican Party convention in Chicago nominated Abraham Lincoln for president.
1860 Republican National Convention
The first German National Assembly gathers in Frankfurt. The assembly constituted the first freely elected parliament of Germany. It produced a constitution that provided the basis for today's constitution of Germany (Grundgesetz).
Frankfurt Parliament
Napoleon Bonaparte is appointed Emperor of the French. Even today, the French leader, a native of Corsica, is widely known for his successful military campaigns - and his final defeat at the Battle of Waterloo.
The city of Montreal was founded by the French.
History of Montreal
Mamluk Sultan Al-Ashraf Khalil and his forces take the last Christian stronghold of Acre.
Siege of Acre (1291)