27 April 1563

During the most active day of the 2011 Super Outbreak 218 tornadoes killed 317 people across 16 U.S. states.

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

American spree killer Andrew Cunanan murdered Jeffrey Trail, a former friend and a Gulf War veteran, who became the first victim of Cunanan's killing spree.

Thirty people died, including players and staff of the Zambia football team and the crew, in a plane crash en route to play a World Cup qualifying match against Senegal.

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

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

Indonesia–Malaysia confrontation: British forces repelled a surprise Indonesian attack on a base at Plaman Mapu in Sarawak.

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

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.

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.

The Second Canton Uprising took place but was suppressed in Guangzhou, China.

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

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

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

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.

American Revolutionary War: British Army regulars defeated Patriot militias in the Battle of Ridgefield, galvanizing resistance in the Connecticut Colony.

Wars of the Three Kingdoms: Covenanter forces defeated the Royalists at the Battle of Carbisdale near the village of Culrain, Scotland.

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

Shahrbaraz usurped the throne of the Sasanian Empire from Ardashir III, but was himself killed six weeks later.

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.

A train crash kills at least 15 people and injures 84 others near Jakarta, Indonesia.

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

The 2011 Super Outbreak devastates parts of the Southeastern United States, especially the states of Alabama, Mississippi, Georgia, and Tennessee. Two hundred five tornadoes touched down on April 27 alone, killing more than 300 and injuring hundreds more.

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