Hiroshima Day is observed annually on ______ date ?

1) August 3
2) August 4
3) August 5
4) August 6

Explanation:
Hiroshima Day was observed on August 6, 2019. It marks the anniversary of the atomic bombing of Hiroshima and Nagasaki, Japan by the United States (US) in 1945.During World War II, an American B-29 bomber had dropped the first atomic bomb nicknamed ‘Little Boy’ on Hiroshima on August 6, 1945.Three days later i.e on August 9, 1945, a second atomic bomb “Fat Man” was dropped on the city of Nagasaki.