March 6th

2007
Vice President Dick Cheney's former chief of staff, I. Lewis "Scooter" Libby, was convicted of lying and obstructing an investigation into the 2003 leak of CIA operative Valerie Plame's identity.
Scooter Libby
1997
Queen Elizabeth II launched the first royal website.
HMY Britannia
1987
193 people die when a ferry capsizes in the North Sea. The Herald of Free Enterprise sank just minutes after leaving the Belgian port of Zeebrugge.
MS Herald of Free Enterprise
1981
Walter Cronkite, "the most trusted man in America," retired from the CBS Evening News and was replaced by Dan Rather.
Walter Cronkite
1970
A bomb being built inside a Greenwich Village townhouse by the radical Weathermen accidentally went off, destroying the house and killing three group members.
Greenwich Village townhouse explosion
1967
Stalin's daughter defects to the West. The Soviet dictator's daughter, Svetlana Alliluyeva, caused an international uproar when she approached the United States embassy in New Delhi and later became a naturalized U.S. citizen.
Svetlana Alliluyeva
1957
Ghana becomes the first African country to gain independence from colonial rule. Ghana emerged as a sovereign state from the former British colonies Gold Coast and Togoland. Kwame Nkrumah was the country's first leader.
History of Ghana
1944
Heavy bombers staged the first American raid on Berlin during World War II.
Bombing of Berlin in World War II
1935
Retired Supreme Court Justice Oliver Wendell Holmes Jr. died two days shy of his 94th birthday.
Oliver Wendell Holmes Jr.
1933
A nationwide bank holiday declared by President Franklin D. Roosevelt went into effect.
Emergency Banking Act
1930
Clarence Birdseye started to sell prepackaged frozen food for the first time, in Springfield, Massachusetts.
1912
Oreo sandwich cookies were first introduced by the National Biscuit Co., which later became Nabisco.
Nabisco
1899
The painkiller Asprin is registered as a trademark. Acetylsalicylic acid was first isolated in 1897 by German chemist Felix Hoffmann. Today, the medication is sold by Bayer and is on the World Health Organization's list of essential medicines.
History of aspirin
1869
The first periodic table of chemical elements is presented. Dmitri Mendeleev presented the system to the Russian Chemical Society on that day.
History of the periodic table
1857
The Supreme Court ruled in Dred Scott v. Sandford that slaves were not citizens.
Dred Scott v. Sandford
1853
Giuseppe Verdi's Opera "La Traviata" premieres in Venice.
La traviata
1836
Battle of the Alamo: After 13 days of fighting 1,500-3,000 Mexican soldiers overwhelm the Texan defenders, killing 182-257 Texans including William Travis, Jim Bowie and Davy Crockett.
1834
The city of Toronto was incorporated.
City of Toronto Act
1806
Poet Elizabeth Barrett Browning was born in Durham, England.
Elizabeth Barrett Browning
1479
Treaty of Alcaçovas: Portugal gives the Canary Islands to Castile in exchange for claims in West Africa.
Treaty of Alcáçovas