1865 - In Mobile, Ala. an ordnance depot filled with 200 tons of shells and powder exploded. The concussion sank two ships in the nearby Mobile River and collapsed several houses.
1945 - The American chiefs of staff set Nov. 1, 1945 as the start date for the invasion of Japan, code - named Operation Olympic./p>
1953 - Troops from Fort Sill fired the world’s first atomic artillery round at Frenchman’s Flat, Nev., from a 280-mm. gun. The 280-mm. gun, known as Atomic Annie, was built by the Artillery Test Unit of Fort Sill, Okla. Batteries of the guns were deployed throughout the globe during the Cold War. Atomic Annie is on permanent display at Fort Sill.
1999 - The US government released a congressional report that said China had stolen design secrets for nuclear warheads that included every weapon in the US nuclear arsenal. The systematic espionage campaign was traced back to the 1970s.