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This Day in History

March 13

"A schoolmaster peers through his telescope and finds a new world."

10 Events
5 Born
2 Died
1781 William Herschel Discovers Uranus
1741

Joseph II, Holy Roman Emperor

Holy Roman Emperor, reforming monarch

Joseph II was one of the most ambitious reforming monarchs of the 18th century, implementing sweeping changes in Habsburg lands including religious tolerance, abolition of serfdom, and educational reform. His progressive 'enlightened despotism' made him one of the most influential rulers of his age, though many of his reforms were reversed after his death.

1911

L. Ron Hubbard

American author and founder of Scientology

L. Ron Hubbard was a prolific science fiction writer who developed Dianetics in 1950 and founded the Church of Scientology in 1953. He remains one of the most controversial religious and literary figures of the 20th century.

1870

William Glackens

American realist painter

William Glackens was a leading figure in American realist art at the turn of the 20th century, known for his vibrant, Impressionist-influenced paintings of everyday urban life. He was one of the founders of the Ashcan School, which rebelled against the genteel idealism of academic painting.

1855

Percival Lowell

American astronomer and mathematician

Percival Lowell was an American astronomer who dedicated much of his life to observing Mars and championing the idea of an inhabited planet crisscrossed by artificial canals. He established the Lowell Observatory in Flagstaff, Arizona, which later became the site of Pluto's discovery.

1921

Al Jaffee

American cartoonist, creator of MAD Magazine's Fold-In

Al Jaffee was one of the founding contributors to MAD magazine, where he invented the famous 'Fold-In' back-cover feature in 1964. He continued contributing to MAD until 2020, making him one of the longest-serving contributors in the history of American magazine cartooning.

624

Battle of Badr: First Major Muslim Victory

The Battle of Badr, the first major battle between the early Muslim community led by Muhammad and the Quraysh tribe of Mecca, results in a decisive Muslim victory. The battle is considered a foundational moment in Islamic history.

1639

Harvard College Named After Its Benefactor

The college established in Massachusetts Bay Colony the previous year is named Harvard College after clergyman John Harvard, who had bequeathed half his estate and his personal library to the institution. It is today the oldest university in the United States.

1815

Congress of Vienna Declares Napoleon an Outlaw

Participants at the Congress of Vienna, alarmed by Napoleon's escape from Elba and return to France, formally declare him an outlaw and enemy of the peace of Europe, setting the stage for the Hundred Days campaign and the final showdown at Waterloo.

1862

U.S. Congress Effectively Nullifies the Fugitive Slave Act

The U.S. Congress passes the Act Prohibiting the Return of Slaves, which effectively annuls the controversial Fugitive Slave Act of 1850 and sets the legislative groundwork for the Emancipation Proclamation later that year.

1930

Pluto's Discovery Announced to the World

The Lowell Observatory publicly announces the discovery of Pluto by astronomer Clyde Tombaugh, who had photographed the distant object on January 23, 1930. The announcement captivated the public and the new body was classified as the ninth planet until 2006.

1954

Battle of Dien Bien Phu Begins

Viet Minh forces under General Võ Nguyên Giáp open the Battle of Điện Biên Phủ with a massive artillery barrage against French positions, launching the siege that would end French rule in Indochina and ultimately draw the United States into Vietnam.

1962

Operation Northwoods Proposed to Secretary of Defense

The Joint Chiefs of Staff, under Chairman Lyman Lemnitzer, present a top-secret proposal titled 'Justification for U.S. Military Intervention in Cuba' to Secretary of Defense Robert McNamara. The plan called for staging false flag operations — including fabricated terrorist attacks on U.S. soil and the sinking of refugee boats — to manufacture a pretext for invading Cuba. President Kennedy rejected the proposal outright and subsequently removed Lemnitzer as Chairman of the Joint Chiefs. The documents remained classified until 1997.

1988

World's Longest Undersea Tunnel Opens in Japan

The Seikan Tunnel, the longest railway tunnel in the world with an undersea segment at the time, opens between the Japanese islands of Honshū and Hokkaidō. At 53.85 km, it was a remarkable feat of engineering.

1996

Dunblane Massacre Kills 16 Children in Scotland

A lone gunman enters Dunblane Primary School in Scotland and murders sixteen children and their teacher before killing himself, in the worst mass shooting in British history. The tragedy led to sweeping gun control legislation that effectively banned handguns in the United Kingdom.

2013

Cardinal Bergoglio Elected Pope Francis

The papal conclave elects Cardinal Jorge Mario Bergoglio of Argentina as the 266th Pope of the Roman Catholic Church, taking the name Francis. He became the first pope from the Americas, the first Jesuit pope, and a transformative figure in the modern Church.

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1881

Alexander II of Russia

Emperor of Russia, the "Tsar Liberator"

Alexander II, the Russian tsar who emancipated the serfs in 1861 and initiated sweeping judicial and administrative reforms, was assassinated by a revolutionary bomb in St. Petersburg on March 13, 1881. His death shocked Europe and prompted his son to reverse many of his liberalizing reforms.

1964

Kitty Genovese

American woman whose murder sparked bystander effect research

Kitty Genovese was murdered outside her apartment in Queens, New York, on March 13, 1964. News reports claiming that 38 witnesses watched without calling police prompted landmark research into the 'bystander effect,' though later investigation revealed the original narrative was largely false.

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