Technically, the Trinity test did not use a bomb. "The Gadget", as it was known, was a full nuclear plutonium implosion design assembly, but did not have any of the normal bomb components; thus, it wasn't encased in an aerodynamic shell, have any of the required electronic aerial detonation trigger components, or any of the rest of parts which were required to make a fully-functioning weapon. Rather, it was just the nuclear core explosive device itself, and used an external command trigger (essentially, a wired detonation signal from a bunker several miles away).
Thus, to be completely (pedantically) accurate, the first atomic bomb explosion was on the first combat use, at Hiroshima, Japan, on 6 August 1945.
the atomic bomb was not discovered, it was invented then built.
FDR never saw a working atomic bomb, he died before the first ones were built.
The city of Hiroshima was the place where the first atomic bomb was dropped.
Manhattan project
The atomic bomb was dropped on Hiroshima and Nagasaki in World War 2.
in my mom's "Vagina"
No, Albert Einstein did not built an atomic bomb to end World War I
Fear that Nazi Germany might do it first.
v2 rocket <><><>< Also the first jet plane, and the first helicopter.
The first atomic bomb was built by scientists working on the Manhattan Project during World War II. This project was a top-secret research and development program undertaken by the United States, the United Kingdom, and Canada. The bomb was successfully tested in July 1945 before being used in combat against Japan in August 1945.
the atomic bomb
the atomic bomb was not discovered, it was invented then built.
FDR never saw a working atomic bomb, he died before the first ones were built.
The world was going through world war two. The atomic bomb ended the war.
It was built in New Mexico.
in 1943
1943