The Worl War I (WWI), or also called as First World War was a military conflict between 2 alliances: The Central Powers (German Empire, Austro-Hungarian Empire, Ottoman Empire and the Kingdom of Bulgaria) and the Entente Empire (Russian Empire, France, British Empire, Italy, Empire of Japan and the United States. This war start the 28 June 1914 and cease fire the 11 November 1918, and a peace treaty signed 28 June 1919.

The location of this war was in Africa, Europe and the Middle East mainly in China and in the Pacific Islands. The type of combat in this war was mainly in trenches. The defincion of a trench is a warfare where both combatants digg a very big hole and fortified position and fighting lines and static.