November 23rd

2011
Yemen's authoritarian President Ali Abdullah Saleh agreed to step down amid a fierce uprising to oust him after 33 years in power.
Egyptian revolution of 2011
2009
Maguindanao massacre in the Philippines. Considered to be the worst attack on journalists in recorded history, the massacre occurred in the southern Philippines, when 57 citizens and journalists en route to register voters in Esmael Mangudadatu for the upcoming gubernatorial elections, were killed by gunmen and buried. 34 journalists were killed on the day.
Maguindanao massacre
2006
Former KGB spy Alexander Litvinenko died in London from radiation poisoning after making a deathbed statement blaming Russian President Vladimir Putin.
Poisoning of Alexander Litvinenko
2005
Ellen Johnson Sirleaf elected as President of Liberia. The 2011 Nobel Peace Prize winner is also the first woman to be elected as head of state in an African country.
Ellen Johnson Sirleaf
2003
Eduard Shevardnadze resigned as president of Georgia.
Eduard Shevardnadze
2001
An Israeli helicopter fired two missiles at a van in the West Bank, killing Mahmoud Abu Hanoud, a leading member of the Islamic militant Hamas group.
1980
A series of earthquakes devastated southern Italy, killing some 2,600 people.
1693 Sicily earthquake
1976
First person to dive 100 meters in the sea without breathing equipment. Frenchman Jacques Mayol, who is also sometimes known as Dolphin Man, was 49 years old at the time. He broke his own record 7 years later by diving 105 meters.
Jacques Mayol
1971
The People's Republic of China was seated in the U.N. Security Council.
China and the United Nations
1964
Vatican abolishes Latin as official language of Roman Catholic liturgy.
Latin Mass
1963
Doctor Who debuts on TV. The longest running science fiction TV show first aired with an episode called An Earthly Child on the British Broadcasting Channel. The show that has had 11 different actors play the lead role, follows the time-traveling adventures of Doctor Who, who uses the Time and Relative Dimension in Space or TARDIS to jump around in time and space.
The Doctors (1963 TV series)
1954
The Dow Jones industrial average finally surpassed it's pre-crash high - 25 years after Black Tuesday - when it closed at 382.74.
Closing milestones of the S&P 500
1945
U.S. wartime food rationing, of meat, butter, and other foods, ended.
Rationing in the United Kingdom
1936
First issue of Life magazine hit the newsstands. The cover photograph, by Margaret Bourke-White, featured the Fort Peck Dam.
Life (magazine)
1910
Last person to be executed in Sweden. Johan Alfred Ander was convicted of murdering Victoria Hellsten during a robbery of a currency exchange. He was the only person in Swedish history to be executed using a guillotine. Capital punishment in the country was abolished for all peacetime crimes in 1921 and for all crimes in 1973.
Johan Alfred Ander
1903
Singer Enrico Caruso made his American debut at the Metropolitan Opera House in New York, appearing in 'Rigoletto.'.
Enrico Caruso
1889
The first jukebox was installed at the Palais Royal Saloon in San Francisco.
Jukebox
1869
In Dumbarton, Scotland, the clipper Cutty Sark is launched - one of the last clippers ever built, and the only one still surviving.
Cutty Sark
1804
Franklin Pierce, the 14th president of the United States, was born in Hillsboro, N.H.
Franklin Pierce
1644
Areopagitica, a pamphlet by John Milton, decrying censorship, is published.
Areopagitica
1248
Conquest of Seville by Christian troops under King Ferdinand III of Castile after the city capitulates.
Siege of Algeciras (1342–44)