1945: First atomic bomb exploded near Alamogordo, New Mexico.The Manhattan Project, a joint effort by scientists at Los Alamos, New Mexico, culminated in the explosion of the first atomic bomb at 5:30 AM on this day at a site on the Alamogordo air base, 193 km (120 miles) south of Albuquerque, New Mexico. The bomb generated an explosive power equivalent to 15,000 to 20,000 tons of TNT, and the surrounding desert surface fused to glass for a radius of 730 metres (800 yards). The following month, two other atomic bombs produced by the project, the first using uranium-235 and the second using plutonium, were dropped on Hiroshima and Nagasaki, Japan.More events on this day2001:Jacques Rogge of Belgium was chosen to replace Juan António Samaranch as the president of the International Olympic Committee. |
1918:Former Russian tsar Nicholas II and his family were executed by Bolsheviks. |
1790:Washington, D.C., was established by Congress as the capital of the United States. |
1054:Humbert of Silva Candida, cardinal and papal legate, excommunicated Michael Cerularius, patriarch of Constantinople, who retaliated by excommunicating the cardinal, which led to the schism between the churches of Rome and Constantinople. |
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