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Manhattan District The Trinity test of the Manhattan Project on 16 July 1945 was the first detonation of a nuclear weapon. Active 1942–1946 Disbanded 15 August 1947 Country United States United Kingdom Canada Branch U.S. Army Corps of Engineers Garrison/HQ Oak Ridge, Tennessee, U.S. Anniversaries 13 August 1942 Engagements Allied invasion of Italy Allied invasion of France Allied invasion of ...
The Operation Meetinghouse raid on Tokyo on the night of 9/10 March 1945 stands as the deadliest air raid in human history, killing 100,000 civilians and destroying 16 square miles (41 km 2) of the city that night. The attack caused more civilian deaths and damage to urbanized land than any other single air attack, including the atomic bombings ...
e. During World War II, Japan had several programs exploring the use of nuclear fission for military technology, including nuclear reactors and nuclear weapons. Like the similar wartime programs in Nazi Germany, it was relatively small, suffered from an array of problems brought on by lack of resources and wartime disarray, and was ultimately ...
August 13, 2024 at 5:33 PM. Michele Eve Sandberg/SIPAPRE/AP. Big Lots is closing more than 300 locations across the United States, or roughly a quarter of its stores, following an earlier warning ...
August 5, 2024 at 4:25 AM. Wall Street's busiest week of the summer sent stocks tumbling as a weak July jobs report surfaced concerns over the health of the US economy and Big Tech earnings failed ...
March 2: John R. Dunning's team at Columbia University verifies Niels Bohr's hypothesis that uranium 235 is responsible for fission by slow neutrons. [10]March: University of Birmingham-based scientists Otto Frisch and Rudolf Peierls author the Frisch–Peierls memorandum, calculate that an atomic bomb might need as little as 1 pound (0.45 kg) of enriched uranium to work.
Operation Crossroads was a pair of nuclear weapon tests conducted by the United States at Bikini Atoll in mid-1946. They were the first nuclear weapon tests since Trinity on July 16, 1945, and the first detonations of nuclear devices since the atomic bombing of Nagasaki on August 9, 1945. The purpose of the tests was to investigate the effect ...
Tullahoma Campaign. Battle of Chickamauga. James Abram Garfield (November 19, 1831 – September 19, 1881) was an American politician who served as the 20th president of the United States from March 1881 until his assassination in September that year. A preacher, lawyer, and Civil War general, Garfield served nine terms in the United States ...