2 bagillion years
In Europe, nearly six years, but the USA involvement was only three and two thirds years.
The Second Anglo-Powhatan War began in 1644 as a last effort by the Indians to dislodge the Virginian settlers and a last effort by the settlers to exterminate the Indians.
7 years
The war with Tripoli lasted five years
The war with Tripoli lasted five years
The Second World War lasted from September 1, 1939, when Germany invaded Poland, until September 2, 1945, when Japan formally surrendered. This makes the war last approximately six years. It involved many countries across the globe and resulted in significant geopolitical changes and immense loss of life.
5 years
9 month
3 years.
9 month
6 years
1861 to 1865