February 1st

Egyptian President Hosni Mubarak announced he would not run for a new term but rejected protesters' demands he step down immediately.
Hosni Mubarak
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
Singer Janet Jackson's breast was briefly exposed during the Super Bowl halftime show.
Super Bowl XXXVIII halftime-show controversy
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
Former White House intern Monica Lewinsky gave a vidotaped deposition for senators weighing impeachment charges against President Bill Clinton.
Impeachment of Bill Clinton
'Late Night with David Letterman' premiered on NBC.
Late Night with David Letterman
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
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
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
A press conference announced the first electronic digital computer, ENIAC, was held at the University of Pennsylvania.
The Royal Canadian Mounted Police was established.
Royal Canadian Mounted Police
King Carlos I of Portugal and his heir, Prince Luis Filipe are assassinated by Republican sympathizers in Terreiro do Paco, Lisbon.
Lisbon Regicide
Puccini's opera 'La Boheme' premiered in Turin, Italy.
La bohème
The first fascicle of the “Oxford English Dictionary” is published. The book contained entries A to Ant.
Oxford English Dictionary
'The Battle Hymn of the Republic,' a poem by Julia Ward Howe, was published in the Atlantic Monthly.
Battle Hymn of the Republic
Texas voted to secede from the Union.
Texas in the American Civil War
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
Queen Elizabeth I of England signs death warrant for her cousin, Mary Stuart, Queen of Scots.
Mary, Queen of Scots