On July 16, 1945, the world's first atomic bomb test, called Trinity (Trinity), was carried out in New Mexico. Thanks to the work of Oppenheimer and Kurchatov, the creation of nuclear weapons of mass destruction, the whole world has been living for 74 years without world wars. The very possibility of guaranteed mutual destruction makes senseless the idea of victory in a world war. True, during this past time there was a danger of using nuclear weapons: 1. Caribbean crisis of 1962. 2. False alarms of the Soviet missile attack warning system on September 26, 1983.