The first-ever nuclear bomb was detonated in:

A) USA

B) France

C) New Mexico

D) None of these

Trinity was the code name of the first detonation of a nuclear device. It was conducted by the United States Army   on July 16, 1945, as part of the Manhattan Project. The test was conducted in the Jornada del Muerto desert about 35 miles (56 km) southeast of Socorro, New Mexico.