1903: A 30 million cubic-metre landslide kills 70 people in Frank, Alberta. Some 75 people are killed in the 90 second rock slide, the deadliest in Canadian history.
1945: US Army liberates 31,601 people in Nazi concentration camp in Dachau, Germany.
1967: After refusing induction into the United States Army the previous day, Muhammad Ali is stripped of his boxing title.
1975: American War in Vietnam: Americans begin retreat and evacuation from Saigon in response to advancing North Vietnamese forces. They call the operation Operation Frequent Wind.
1991: A cyclone reaches the Chittagong district in Bangladesh, with winds of around 250 km/h (155 mph), killing 139,000 people and leaving some 10 million homeless.
1992: People riot in Los Angeles following the acquittal of police officers charged with excessive force in the beating of Rodney King. Over the next three days 63 people are killed and hundreds of buildings are destroyed. A videotape showing severe brutality of several Los Angeles Police Department officers during Kings arrest on March 3, 1991 had been released to the public.
2011: Prince William and Catherine Middleton are wed at Westminster Abbey in London.