The attack of Nagasaki was not a battle itself, it took only one atomic bomb.
Nagasaki
After WW2 in Europe was over Japan was still waging war. Nagasaki and Hiroshima are the Japanese cities on each of which an atomic bomb was dropped by the USAF. Thus ending WW2
For the USA vs. Japan portion of WWII, the Coral Sea battle started the USA's victories against Japan. The atomic bombings of Hiroshima and Nagasaki ended WWII though.
how was the first battle started
There really wasn't a battle. A atomic bomb was dropped on Nagasaki during World War 2 on 9th August 1945 by the Americans. This killed 39,000 quickly after the bomb was dropped and left 25,000 others injured.
There was no battle per-se, in those cities of Japan, the US drooped atomic bombs resulting with the end of the war.
The Battle of Trenton started on December 26, 1776.
It took only one bomb but it made the United States to win the war.
There was no "battle of Goliad."
In Europe, The Battle of Berlin. In The Pacific, The bombings of Nagasaki and Hiroshima.
The Battle of Crysler's Farm was technicaly started by the Canadians as defence.
There wasnt a battle that ended japans threat, inface U.S.A was losing but the two nuclear bombs in Hiroshima and nagasaki ended the Japanese threat.