A world war is an international conflict that involves most or all of the world's major powers. Conventionally, the term is reserved for the two major international conflicts that occurred during the
United States Army infantry supported by a M18 tank destroyer advancing through a German-occupied Brest, France, during World War II
French Army soldiers holding a position in the ruins of a church during the Second Battle of the Marne, part of World War I
A British Army Churchill tank passing a destroyed Wehrmacht Panzer IV tank during Operation Overlord, part of World War II
U.S. Army paratroopers landing in a field in West Germany during Exercise Reforger 1984, a Cold War-era NATO military exercise used to prepare for potential conventional warfare against the Warsaw Pact; such a conflict was expected to be World War III.
The war on terror, officially the Global War on Terrorism, is a global military campaign initiated by the United States in response to the September 11 attacks in 2001. A global conflict spanning mult
World war
…World War II (1939–1945). Some historians have also characterized other global conflicts as world wars, such as the Seven Years' War, Cold War, and the war on terror. The Oxford English Dictionary had cited the first known usage in the English language to a Scottish newspaper, The People's Journal, in 1848: "A war…
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Tomahawk Missile fired from US Destroyers
US soldiers in Zabul province