On this day: 27 April

Philip the Arab marks the millennium of Rome with a celebration of the ludi saeculares.

Aelia Eudoxia married Byzantine emperor Arcadius without the knowledge or consent of Rufinus, the Praetorian prefect who had intended for his own daughter to wed the emperor.

Islamic conquest of Hispania: Moorish troops led by Tariq ibn Ziyad land at Gibraltar to begin their invasion of the Iberian Peninsula (Al-Andalus).

Pope Julius II places the Italian state of Venice under interdict.

Four Years' War: The combined forces of Spain and the Papal States defeated a French and Venetian army at the Battle of Bicocca.

Official founding of the city of Bogotá, New Granada (nowadays Colombia), by Nikolaus Federmann and Sebastián de Belalcázar.

Cebu is established becoming the first Spanish settlement in the Philippines.

The relics of Saint Sava are incinerated in Belgrade on the Vračar plateau by Ottoman Grand Vizier Sinan Pasha; the site of the incineration is now the location of the Church of Saint Sava, one of the largest Orthodox churches in the world

First Barbary War: U.S. Marines engaged forces of the Barbary Coast at the Battle of Derna in Tripoli, marking the first recorded land battle by the United States on foreign soil.

Ludwig van Beethoven composed his Bagatelle No. 25 in A minor, better known as "Für Elise" , one of his most popular compositions.

The French National Assembly under Victor Schœlcher proclaims the abolition of slavery within France and it's colonies following the February Revolution.

American President Abraham Lincoln suspends the writ of habeas corpus.

Chris Watson became the first prime minister of Australia from the Australian Labor Party.

The State Duma of the Russian Empire meets for the first time.

Sultan of Ottoman Empire Abdul Hamid II is overthrown, and is succeeded by his brother, Mehmed V.

Carabineros de Chile (Chilean national police force and gendarmerie) are created.

The trilogy The Adventure Girls (second book pictured), by the children's author Clair Blank, was copyrighted by A. L. Burt.

The United Auto Workers (UAW) gains autonomy from the American Federation of Labor.

World War II: German troops enter Athens.

World War II: The photograph Raising the Flag on the Three-Country Cairn (pictured) was taken after German troops withdrew to Norway at the end of the Lapland War.

In response to the treatment of Lorenzo Gamboa under the White Australia policy, the Philippine House of Representatives passed a bill banning Australians from the country.

Operation Moolah offers $50,000 to any pilot who defects with a fully mission-capable Mikoyan-Gurevich MiG-15 to South Korea. The first pilot was to receive $100,000.

Prime Minister Milton Margai led the Sierra Leone Colony and Protectorate to independence from the United Kingdom.

The Expo 67 world's fair opened in Montreal, with 62 nations participating and more than 50 million visitors ultimately attending.

John Ehrlichman, a former aide to U.S. President Richard Nixon, is released from the Federal Correctional Institution, Safford, Arizona, after serving 18 months for Watergate-related crimes.

The black-ball final, one of the most famous snooker matches in history, began between Steve Davis and Dennis Taylor.

The April 27 demonstrations, student-led protests responding to the April 26 Editorial, during the Tiananmen Square protests of 1989.

The Federal Republic of Yugoslavia, comprising Serbia and Montenegro, is proclaimed.

The Russian Federation and 12 other former Soviet republics become members of the International Monetary Fund and the World Bank.

South African general election: The first democratic general election in South Africa, in which black citizens could vote. The Interim Constitution comes into force.This marked the end of Apartheid.

The Airbus A380, the world's largest passenger airliner, made its maiden flight from Toulouse, France.

Construction begins on the Freedom Tower (later renamed One World Trade Center) in New York City.

Israeli archaeologists discover the tomb of Herod the Great south of Jerusalem.

Estonian authorities remove the Bronze Soldier, a Soviet Red Army war memorial in Tallinn, amid political controversy with Russia.

The Panmunjom Declaration is signed between North and South Korea, officially declaring their intentions to end the Korean conflict.