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reconstruction
The Reconstruction era was the period in American history which lasted from 1863 to 1877. It was a significant chapter in the history of American civil rights. -
The london conference
the final in a series of conferences or debates that led to Canadian confederation in 1867 -
Black sunday
Black Sunday refers to a particularly severe dust storm that occurred on April 14, 1935 as part of the Dust Bowl. It was one of the worst dust storms in American history and it caused immense economic and agricultural damage. It is estimated to have displaced 300 million tons of topsoil from the prairie area -
D-day
The Normandy landings were the landing operations and associated airborne operations on Tuesday, 6 June 1944 of the Allied invasion of Normandy in Operation Overlord during World War II. Codenamed Operation Neptune and often referred to as D-Day, it was the largest seaborne invasion in history -
Bombing of Nagasaki
seaport on W Kyushu, in SW Japan: second military use of the atomic bomb August 9, 1945. -
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Cold war
The Cold War was a period of geopolitical tension between the Soviet Union and the United States and their respective allies, the Eastern Bloc and the Western Bloc, after World War II. The period is generally considered to span the 1947 Truman Doctrine to the 1991 dissolution of the Soviet Union