Wars Of The United States

• Afghanistan—11 years, 5 months (so far)

• Vietnam War—10 years, 9 months

• Second Iraq War—8 years, 10 months

• Revolutionary War—8 years, 5 months

• Civil War—4 years, 6 months

• World War II—3 years, 9 months

• Korean War—3 years, 2 months

• War of 1812—2 years, 7 months

• Mexican War—2 years, 1 month

• First Iraq War—7 months

• Spanish-American War—4 months

Robert DeVries

Related articles

• Top 10 deadliest American wars (americanlivewire.com)

• The Last Time America Declared War (reason.com)