Wikipedia.png
There is more information available on this subject at War on the English Wikipedia.

War is any large-scale, violent conflict. By extension, the word can be used for any struggle. A group of combatants and their support is called an army on land, a navy at sea or in space, and air force in the air. Wars may be prosecuted simultaneously in one or more different theaters. Within each theater, there may be one or more consecutive military campaigns. A military campaign includes not only fighting but also intelligence, troop movements, supplies, propaganda, and other components. Continuous conflict is traditionally called a battle, although this terminology is not always applied to conflicts involving aircraft, missiles or bombs alone, in the absence of ground troops or naval forces.

List of wars