Quick Answer: What’S The Worst War In History?

What wars did us lose?

Since 1945, the United States has very rarely achieved meaningful victory.

The United States has fought five major wars — Korea, Vietnam, the Gulf War, Iraq, Afghanistan — and only the Gulf War in 1991 can really be classified as a clear success..

What US war had the most deaths?

Civil War, 1861-1865. Total deaths (Union forces only): 364,511.World War II, 1941-1946. Total deaths: 405,399. … World War I, 1917-1918. Total deaths: 116,516. … Vietnam, 1964-1973. Total deaths: 58,220. … Korean War, 1950-1953. Total deaths: 36,574. … Mexican-American War, 1846-1848. … Iraq, 2003-2011. … Revolutionary War, 1775-1783. … More items…•

What is the deadliest war in history?

World War IIBy far the most costly war in terms of human life was World War II (1939–45), in which the total number of fatalities, including battle deaths and civilians of all countries, is estimated to have been 56.4 million, assuming 26.6 million Soviet fatalities and 7.8 million Chinese civilians were killed.

What is the most deadly battle in history?

Here are 6 of the deadliest battles ever foughtThe Battle of the Argonne Forest (World War I) — Fatality Rate: 39.48%The Battle of Okinawa (World War II) — Fatality Rate: 35.48% … The Battle of Tuyurti (Paraguayan War) — Fatality Rate: 8.71% … The Battle of Gettysburg (US Civil War) — Fatality Rate: 4.75% … The Battle of Antietam (US Civil War) — Fatality Rate: 3.22% … More items…•

What was the deadliest day in human history?

Sept. 17, 1862Four thousand Americans died at Antietam on Sept. 17, 1862. The battle is remembered as the single bloodiest day in U.S. history.