Other
Economic Reasons for the Collapse of the Soviet Union
This complicated essay describes the fall of the Soviet Union in economic terms, with an emphasis on the lack of production.
Khan Academy
Khan Academy: Us History: 1945 1980: Richard Nixon as President
Learn about Nixon's presidency, including his strategy to get the United States out of the Vietnam War, his foreign policy maneuvers with China and the Soviet Union, and his fall from grace due to the Watergate scandal.
Siteseen
Siteseen: American Historama: Cold War Events (1968 1991)
Contains interesting facts and key dates of the major Cold War events from 1968 - 1991.