April 21st

2011
Sen. John Ensign, R-Nev., announced he would step down amid a developing ethics probe while insisting he'd done nothing wrong.
John Ensign
2004
Five suicide attackers detonated car bombs against police buildings in Basra, Iraq, killing at least 74 people.
Terrorist incidents in Iraq in 2004
1997
The ashes of Timothy Leary, Gene Roddenberry, and 22 others blasted into space for the first space funerals.
1995
Timothy McVeigh was arrested in connection with the Oklahoma City bombing.
Oklahoma City bombing
1992
Robert Alton Harris became the first person executed by the state of California in 25 years as he was put to death in the gas chamber for the 1978 murder of two teenage boys.
Robert Alton Harris
1989
Thousands of Chinese crowd into Beijing's Tiananmen Square cheering students demanding greater political freedom.
2008 Summer Olympics torch relay
1980
Rosie Ruiz, the first woman to cross the finish line at the Boston Marathon, was disqualified when officials discovered she had jumped into the race about a mile from the finish.
Boston Marathon
1977
The musical "Annie," based on the comic strip "Little Orphan Annie," opened on Broadway.
Annie (musical)
1975
South Vietnamese President Nguyen Van Thieu resigned.
Nguyễn Văn Thiệu
1967
Dictator Georgios Papadopoulos assumes power in Greece. During his six-year reign, thousands of political opponents were incarcerated and tortured.
Georgios Papadopoulos
1960
Brazil inaugurated its new capital, Brasilia, transferring the seat of national government from Rio de Janeiro.
Capitals of Brazil
1934
The Surgeon's photo, allegedly showing the Loch Ness Monster, is published in the Daily Mail. In reality, the famous image depicts a toy submarine with a head and neck made of wood putty.
Loch Ness Monster
1918
The Red Baron is killed. Manfred von Richthofen was a legendary German fighter pilot. He earned his renown and nickname by achieving 80 air combat victories in World War I. He was shot down and killed during combat at the age of 25.
Manfred von Richthofen
1910
Samuel Clemens (Mark Twain), author of the novel Huckleberry Finn, died at the age of 74.
Mark Twain
1863
Bahá'u'lláh, founder of the Bahá'í Faith, enters gardens of Rivden, near Baghdad. Makes the declaration of aha'u'llah during 12 days spent there.
1836
Texans led by Sam Houston defeated the Mexicans at San Jacinto, assuring Texas' independence.
Texas Revolution
1816
Charlotte Bronte, author of "Jane Eyre," was born in Thornton, England.
Charlotte Brontë
1792
Brazilian revolutionary Tiradentes, is hanged, drawn and quartered in Rio de Janeiro.
April 21
1789
John Adams was sworn in as the first vice president of the United States.
First inauguration of George Washington
1649
The Maryland Toleration Act, which provided for freedom of worship for all Christians, was passed by the Maryland assembly.
Maryland Toleration Act
1526
Battle at Panipat: Central Asian conqueror Babur defeats Sultan Ibrahim Lodi, establishing the Mughal Empire in India.
Babur
1509
Henry VIII is crowned King of England. In popular culture, the monarch is known mainly for his six marriages, two of which ended with the wife's execution.
Henry VIII of England