The U.S. has formally declared war five sepate times: War of 1812, Mexican-American War, Spanish-American War, World War I, and World War II.
During World War II the U.S. declared war against Japan on December 8, 1941, Germany and Italy on December 11, 1941, Bulgaria, Hungary and Romania on June 5, 1942.
The last US declared war was WWII.
The US last declared war in December 1941.
Germany declared war on the US, the US then declared war on Germany.
Operation Iraqi Freedom (2003 to present) is a military operation (campaign). The last declared war fought by the US was WW2.
The last time the US Congress declared war was in WW2; December 11, 1941 on Germany & Italy.
The last US declared war was WWII.
Last declared US war was WWII.
The US last declared war in December 1941.
WW2 was the last declared war fought by the US.
The last US declared war was December 11, 1945.
The last declared US war was WW2.
Germany declared war on the US, the US then declared war on Germany.
The US Congress has Declared war 5 times. The War of 1812 being the 1st and WWII being the last
WWII was America's last declared war. Prior to WWII, the American Civil War (aka US Civil War) was NOT a declared war. Actually, prior to WWII, the war was called the "Cold War", but was not a declared war.
The US declared war on Japan. Germany also declared war on the US, and the US declared war in return
World War 1 and World War 2 were the last declared wars that the US participated in.I'm sure however that there have been small regional warsafter World War 2, that the US did not participate in that were declared wars by the regional participants in those wars.
Operation Iraqi Freedom (2003 to present) is a military operation (campaign). The last declared war fought by the US was WW2.