A Nuclear Weapon, also known as a Nuke, or Nuclear Bomb/Device is a weapon that is designed for upmost destruction. These devices rely and function through nuclear reactions. This is not through just fusion, but as well a fisson reaction. These weapons can also be known as Thermonuclars, Hydrogen Bombs, ETC.
The Trinity Explosion, the First Nuclear Device to explode. It was detonated on July 16th, 1945 during World War II. Not even a month later, on August 6th, two similar bombs were dropped on Japan.