In History, Today on November 13

King Æthelred II of England orders the massacre of Danes in the St. Brice's Day massacre.

Louis VII of France marries Adela of Champagne, strengthening his political alliances.

American Revolutionary War: Patriot revolutionary forces under Colonel Ethan Allen attack Montreal, but are defeated by British defenders.

James Braid first sees a demonstration of animal magnetism, which leads to his study of hypnosis.

The Denny Party lands at Alki Point, the first settlers of what would become Seattle, Washington.

Bloody Sunday clashes in London between police and demonstrators demanding the release of Irish nationalist MP William O'Brien.

The first helicopter flight is made by Paul Cornu in Lisieux, France.

Walt Disney's animated film 'Fantasia' is released.

World War II: The aircraft carrier HMS Ark Royal sinks due to torpedo damage from the German submarine U-81.

The Soviet Union completed the development of the AK-47, one of the most widely used assault rifles in the world.

The Supreme Court of the United States declares Alabama laws requiring segregated buses illegal, ending the Montgomery Bus Boycott.

The Bhola cyclone strikes East Pakistan (now Bangladesh) and West Bengal, India, killing an estimated 500,000 people.

The Nevado del Ruiz volcano erupts in Colombia, causing a lahar that buries the town of Armero and kills approximately 23,000 people.

Sweden votes in a referendum to join the European Union, which it does on January 1, 1995.

The Taliban regime in Afghanistan abandoned the capital city of Kabul, allowing Northern Alliance forces to enter the city without resistance, marking a significant turning point in the U.S.-led invasion of Afghanistan following the September 11 attacks.

Iraq agreed to the return of United Nations weapons inspectors to the country, following a unanimous UN Security Council resolution demanding Iraq disarm its weapons of mass destruction or face serious consequences.

A series of coordinated terrorist attacks occurred in Paris, France, including mass shootings and suicide bombings, resulting in 130 deaths and hundreds of injuries. The attacks were claimed by the Islamic State of Iraq and the Levant (ISIL).

Venice, Italy, experienced its worst flooding in more than 50 years, with water levels reaching 1.87 meters (6.14 feet), causing extensive damage to historic sites and infrastructure.