- en.wikipedia.org World War IMain article: African theatre of World War I. Some of the first clashes of the war involved British, French, and German colonial forces in Africa.
- tr.wikipedia.org I. Dünya Savaşı^ "Were they always called World War I and World War II?"
- medium.com @dhireshnathwani/what-was-the-most-…World War one started on the 28th of July 1914 between two sides; triple alliance and the triple entente. It ended on the 11th of November 1918.
- worldwar1.jimdofree.com brief-history-of-wwi/Main article: African theatre of World War I. Some of the first clashes of the war involved British, French, and German colonial forces in Africa.
- store.steampowered.com app/361380/World_War_I/World War I is a real-time strategy based on the modified version of the well-known Blitzkrieg engine.
- atlanticcouncil.org blogs/new-atlanticist/eleven-…The end of World War I set into motion a new course for Europe, and remains an important facet of European politics.
- humanidades.com en/world-war-i/End of World War I. In 1918, with the Treaty of Brest-Litovsk, Russia signed its withdrawal from the war. In 1917, two events decisively changed the course of the war.
- education-academia.github.io world-history/world-…And with this Austria-Serbia conflict the World War 1 started and later grew with France, England, Belgium and many other nations.
- bbc.com news/magazine-28057198The French and British referred to the war as "La Grande Guerre" or the "Great War", but also adopted the term "World War" later in the conflict.
- britannica.com event/World-War-IWorld War I, international conflict that in 1914–18 embroiled most of the nations of Europe along with Russia, the U.S., the Middle East, and other regions.