February 1st

2011
Egyptian President Hosni Mubarak announced he would not run for a new term but rejected protesters' demands he step down immediately.
Hosni Mubarak
2009
The Pittsburgh Steelers won their record sixth Super Bowl with a 27-23 victory over the Arizona Cardinals in Super Bowl XLIII.
Super Bowl XLIII
2004
Singer Janet Jackson's breast was briefly exposed during the Super Bowl halftime show.
Super Bowl XXXVIII halftime-show controversy
2003
The space shuttle Columbia disintegrated as it tried to reenter the Earth's atmosphere after a sixteen-day mission in space. All seven members of the crew were lost.
Seconds From Disaster
1999
Former White House intern Monica Lewinsky gave a vidotaped deposition for senators weighing impeachment charges against President Bill Clinton.
Impeachment of Bill Clinton
1982
'Late Night with David Letterman' premiered on NBC.
Late Night with David Letterman
1979
Ayatollah Khomeini returns to Iran after 15 years in exile. His triumphant return marked the beginning of the Iranian Revolution.
Ruhollah Khomeini's return to Iran
1968
Saigon police chief Nguyễn Ngọc Loan executes Viet Cong officer Nguyễn Văn Lém with a pistol shot to head. The execution is captured by photographer Eddie Adams and becomes an anti-war icon.
Nguyễn Ngọc Loan
1960
Four black students start the Greensboro sit-ins. Their refusal to leave a “whites only” lunch counter was a milestone in the fight against racial segregation in the United States.
Greensboro sit-ins
1946
A press conference announced the first electronic digital computer, ENIAC, was held at the University of Pennsylvania.
ENIAC
1920
The Royal Canadian Mounted Police was established.
Royal Canadian Mounted Police
1908
King Carlos I of Portugal and his heir, Prince Luis Filipe are assassinated by Republican sympathizers in Terreiro do Paco, Lisbon.
Lisbon Regicide
1896
Puccini's opera 'La Boheme' premiered in Turin, Italy.
La bohème
1884
The first fascicle of the “Oxford English Dictionary” is published. The book contained entries A to Ant.
Oxford English Dictionary
1862
'The Battle Hymn of the Republic,' a poem by Julia Ward Howe, was published in the Atlantic Monthly.
Battle Hymn of the Republic
1861
Texas voted to secede from the Union.
Texas in the American Civil War
1790
The Supreme Court of the United States convened for the first time, in New York City.
History of the Supreme Court of the United States
1587
Queen Elizabeth I of England signs death warrant for her cousin, Mary Stuart, Queen of Scots.
Mary, Queen of Scots