University of Oklahoma
University of Oklahoma Law Center: The Japanese Surrender
The source documents of the Japanese Instrument of Surrender, September 12, 1945, are provided at this site from the University of Oklahoma.
Other
Old Time Radio: Radio News: Victory in Japan Day
Original radio broadcast announcing the end of World War II after the surrender of Japan, and the jubilation that followed as crowds in cities across the United States celebrated in the streets.
Khan Academy
Khan Academy: The Manhattan Project and the Atomic Bomb
Discusses the Manhattan Project of the United States which worked on developing nuclear weapons during World War II. It led to the two atomic bombs that were dropped on Japan in August 1945, ending the war with Japan.
Siteseen
Siteseen: American Historama: Vj Day
Provides detailed facts and important information about VJ Day (Victory over Japan Day) and the end of WW2.