There was no Declaration of War until after the attack.
The United States of America was cold-cocked and sucker-punched on this date 73 years ago mostly due to the ignorance and ineptitude of C students in Washington D.C.
May God Bless the souls who gave their lives in voluntary sacrifice; and May God Bless the living who selflessly protect our Country from those who wish us dead.
[7 December 1941 archives here.]
Tacky Raccoons 