When did US and Britain declare war on Japan?

Answer 1

On December 8, 1941 President Roosevelt declared war on Japan. He stated all the places that the Japanese had attacked on the previous day: the day that will remain infamous, the day of the attack on Pearl Harbor.

Answer 2

The United States and their ally, the British Empire, declared war on Japan December 8, 1941. This declaration was after the attack on Pearl Harbor.

Answer 3

They both declared war on December 8th, 1941 after Japan attacked them.

Answer 4

The decision to declare war came after the bombing on Pearl Harbor on December 7, 1941. The United States declared war on Japan at 7:35 on December 8, 1941.

Answer 5

December 8th, 1941 - the day after the Pearl Harbor attack, Congress declared war on Japan and then Germany on December 11, 1941. President FD Roosevelt approved both declarations.

Answer 6

Britain declared war on Japan on 8 December 1941 - the same day as the United States.

Answer 7

8 December 1941