Answer:
December 23, 1775 - King George III issues a royal proclamation closing the American colonies to all commerce and trade, to take effect in March of 1776. Also in December, Congress is informed that France may offer support in the war against Britain.
Explanation:
The beginning of the Muslim calendar is 622 AD
Hope this helps!
The US wasn't involved in any physical fighting prior to the attack on Pearl Harbor but we were sending supply convoys to Great Britain.