On May 2

Two mudslides in Badakhshan Province, Afghanistan, killed at least 350 people.

Russo-Ukrainian War: Forty-eight people were killed during a confrontation between pro-Russian protesters and pro-Ukrainian unity protesters in the southern Ukrainian port city of Odesa.

The Conservative Party of Canada won enough seats in the federal election to establish their first majority government.

Osama bin Laden was killed by U.S. Navy SEAL Team Six in his private residential compound in Abbottabad, Pakistan.

The Chaitén volcano in Chile began to erupt for the first time since around 1640.

Cyclone Manou formed in the Indian Ocean; over the next two weeks it struck Madagascar and left more than 100,000 people homeless.

Mireya Moscoso (pictured) became the first woman to be elected President of Panama.

Croatian War of Independence: Serb forces began rocket attacks on the Croatian capital Zagreb, killing 7 people and injuring around 200 others.

Falklands War: HMS Conqueror sank the Argentine cruiser General Belgrano (pictured), the only ship ever to have been deliberately sunk by a nuclear submarine in battle.

Vietnam War: An explosion attributed to Viet Cong commandos caused the escort carrier USNS Card to sink in the port of Saigon.

World War II: General Helmuth Weidling, the German commander of Berlin, surrendered to Soviet forces led by Marshal Georgy Zhukov, ending the Battle of Berlin.

The Treaty of Wuchale was signed, ending the Italo-Ethiopian War, but differences in translation later led to another war.

A dust explosion at the world's largest flour mill in Minneapolis resulted in 18 deaths.

A royal charter granted the Hudson's Bay Company a monopoly in the fur trade in Rupert's Land (present-day Canada).

Presbyterian clergyman John Knox returned from exile to lead the Scottish Reformation.

King Richard I of England gave the city of Portsmouth (pictured) its first royal charter.