September 18th

2009
Tens of thousands of protesters rallied in defiance of Iran's Islamic leadership, clashing with police and confronting state-run anti-Israel rallies.
Timeline of the 2009 Iranian election protests
1999
Sammy Sosa became the first player in major league baseball history to hit 60 homers in two seasons.
Sammy Sosa
1998
The Internet Corporation for Assigned Names and Numbers (ICANN) is founded. Author Esther Dyson became the first chairperson of the now nonprofit organization, which was initially under the oversight of the U.S. Department of Commerce. In 2009, the Department of Commerce gave up its control over ICANN, which is responsible for maintaining the Domain Name System (DNS) on the Internet.
ICANN
1997
Coopers & Lybrand and Price Waterhouse agreed to merge to create the world's biggest accounting firm.
Chuck Cooper (actor)
1976
Mao Zedong's funeral takes place in Beijing.
Mao Zedong
1975
Newspaper heiress Patricia Hearst was captured by the FBI in San Francisco, 19 months after being kidnapped by the Symbionese Liberation Army.
Patty Hearst
1973
West Germany adopts the Deutsche Mark. This action replaced the East German Mark and helped complete the economic reunification part of the union between East and West Germany.
Deutsche Mark
1970
Rock musician Jimi Hendrix died of a drug overdose at age 27.
27 Club
1961
Secretary-General of the UN Dag Hammarskjold was killed in a plane crash in Northern Rhodesia (Zambia).
1961 Ndola United Nations DC-6 crash
1959
Vanguard 3 is launched into Earth's orbit. The geocentric satellite was launched into Earth's orbit by a Vanguard rocket, built by Glenn L. Martin Company, which is now known as Lockheed-Martin.
Vanguard 3
1947
The National Security Act, which unified the Army, Navy and newly formed Air Force into a national military establishment, went into effect.
National Security Act of 1947
1942
The order for 'extermination asocials through labour' is approved by Otto Thierack, Nazi minister of justice.
Extermination through labour
1934
USSR joins the League of Nations. It was expelled just a few years later for its aggressive actions towards Finland.
Member states of the League of Nations
1931
To create a pretext for the invasion of Manchuria, China, a railway explosion is faked by the Japanese.
Mukden Incident
1927
The Columbia Phonograph Broadcasting System (later CBS) debuted with a network of 16 radio stations.
CBS
1914
Irish Home Rule bill receives Royal assent.
Irish Home Rule movement
1905
Actress Greta Garbo was born in Stockholm, Sweden.
Greta Garbo
1873
Government bond agent Jay Cooke & Co collapses, causing panic on Wall St, the start of the panic of 1873 and the Long depression.
Jay Cooke & Company
1872
Oscar II becomes King of Norway and Sweden. He succeeded his brother Charles XV and IV
Oscar II of Sweden
1851
The first edition of The New York Daily Times, which later became The New York Times, was published.
The New York Times
1850
Congress passed the Fugitive Slave Act, which allowed slaveowners to reclaim slaves who had escaped to other states.
Fugitive slave laws
1812
Great Fire of Moscow burns out after 5 day, 75% of the city destroyed and 12,000 killed.
1811
British expeditionary army conquers Dutch Indies.
Invasion of Java (1811)
1810
Chile declared its independence from Spain.
Chilean Declaration of Independence
1793
President George Washington laid the cornerstone of the U.S. Capitol.
United States Capitol cornerstone laying
1759
French Quebec surrendered to the British after the Sept. 13 battle on the Plains of Abraham, the last battle of the French and Indian Wars. French general Montcalm and British general Wolfe died in the fray.
Battle of the Plains of Abraham