The Cold War was an era of hostility between the United States (and our democratic allies) and the Soviet Union (and their communist allies) that began after World War II. During the fifties and sixties, the threat of nuclear attack loomed large, much the
CNN's Cold War site is a companion to their 1998 television documentary of the same name.
Best clicks at the virtual Cold War Museum are the Trivia Game ("Who was the founder of the Soviet Communist Party and leader of the Bolshevik Revolution?") and the decade-by-decade timeline that runs from the '40's to the '90's.