The History of Twelve Wars

Peloponnesian War 

[431 – 404bc]

won by Sparta (Peloponnesian League)
lost by Athens (Delian League)

The Punic Wars 

[264 – 146bc]

won by Rome
lost by Carthage

Hundreds Years’ War 

[1337 – 1453]

won by France
lost by England

Napoleonic Wars 

[1803 – 1815]

won by Coalition of England, Russia, Austria/Hungary, Prussia
lost by France

Crimean War 

[1853 – 1856]

won by United Kingdom, France, Ottoman Empire, Sardinia
lost by Russia

American Civil War 

[1861 – 1865]

won by Union
lost by Confederacy

Spanish-American War 

[1898]

won by United States
lost by Spain

World War I 

[1914 – 1918]

won by United States, United Kingdom, France, Russia (Triple Entente)
lost by Germany, Austria/Hungary, Ottoman Empire, Bulgaria (Central Powers)

World War II 

[1939 – 1945]

won by United States, United Kingdom, Soviet Union (Allies)
lost by Germany, Italy, Japan (Axis)

Korean War 

[1950 – 1953]

stalemate
United States + allies vs. North Korea + China, Russia

Vietnam War 

[1955 – 1975]

won by North Vietnam
lost by United States

Afghanistan War

[2001 – 2021]

won by Taliban
lost by United States