July 1945's 22 kiloton Trinity test in all its horrifying power.
Pearl Harbor Attack and Aftermath
Attack on Pearl Harbor - Footage and Aftermath. On 7 December 1941, a surprise military strike conducted by the Imperial Japanese Navy against the United States naval base at Pearl Harbor, Hawaii "awakened the sleeping giant". Ninety minutes after it began, the attack was over. 2,386 Americans died and 1,139 were wounded. Eighteen ships were sunk or run aground, including five battleships.