Question

when was the nuclear attack on Hiroshima and Nagasaki happen

Answer 1

In the time of world war 2
because Japan attacked us navel base
so USA attacked Hiroshima and Nagasaki

Answer 2

nuclear attack on hiroshima and Nagasaki took place on 6 august 1945 and 9 august 1945 , which resulted in the end of world war 2.

these two cities of Japan was attacked by america to take revenge from japan that attacked a american fleet in Hawaii city of America in 1941.