1. War of 1812
2. Mexican War (1846-1848)
3. Spanish-American War (1898)
4. WWI (1917-1918)
5. WWII (1941-1945)
The American Civil War (US Civil War 1861-1865) was undeclared.
Indian Wars were undeclared (1620-1890)
The Philippine War (1900-1902) was an INSURRECTION against the US
Korean War (1950-1953, a limited war-limited to conventional weapons only)
Vietnam War (a limited war-limited to conventional weapons only)
Operations: Urgent Fury (1983); Just Cause (1989); Desert Storm (1991); Restore Hope (1992/93); Kosovo/Bosnia (1995); Enduring Freedom (2001); Iraqi Freedom (2003).
The War of 1812, the Mexican-American War, the Spanish-American War, World War I and World War II
5 War of 1812
Mexican-American War
Spanish-American War
World War I
World War II
1. War of 1812 2. Mexican War 1846-1848 3. Spanish-American War of 1898 4. WW1 1917-1918 5. WW2 1941-1945
The last time the US congress declared war was in 1941, when the US entered WW II following the attack on Pearl Harbor.
cold war
The US Civil War (1861-1865) & the Vietnam War (1961-1975).
The Pennselvaina congress.
The War of 1812 against Britain was a declared war. The War against Spain was declared. The Korean War was man's FIRST atomic age war (the atomic age commenced in 1945 with the detonation of the first atomic bombs); declared wars, which infer total wars, can no longer be fought, as total wars require the use of ALL available weapons such as nuclear weapons (chemical weapons are banned by treaty since 1925). The Korean War was a limited war (limited to non-nuclear weapons) and not a declared war; NO US FOUGHT WAR HAS BEEN A DECLARED WAR SINCE WW2; the dawn of the Atomic Age. the number of declared wars by congress is 5 they are : The War of 1812 (1812-1815) , The Mexican War (1846-1848) , The Spanish-American War (1898-1899), World War I (1917-1918), World War II (1941-1945)
The US Congress has Declared war 5 times. The War of 1812 being the 1st and WWII being the last
US UN-Declared Wars: 1. Revolutionary War (1775-1783) 2. Civil War (1861-1865) 3. Korean War (1950-1953) 4. Vietnam War (1961-1975) The last declared US war was WWII.
War may be declared only by CONGRESS (:
Congress
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.
The US Congress.
congress (novanet answer)
the congress declared it