MP4 : Today in history - 6August 1945 An atom bomb was dropped by the USA on the Japanese city of Hiroshima toward the very end of World War II. FLV : Today in history - 6August 1945 An atom bomb was dropped by the USA on the Japanese city of Hiroshima toward the very end of World War II. MP4 FOR IPOD (edge) : Today in history - 6August 1945 An atom bomb was dropped by the USA on the Japanese city of Hiroshima toward the very end of World War II. DOC : Today in history - 6August 1945 An atom bomb was dropped by the USA on the Japanese city of Hiroshima toward the very end of World War II. MP3 : Today in history - 6August 1945 An atom bomb was dropped by the USA on the Japanese city of Hiroshima toward the very end of World War II.