The First World War or World War I or World War 1 was a world-wide conflict fought during 1914-18. Referred to by contemporaries as the "Great War".
Alternate versions of World War I have been discovered throughout the multiverse:
- First World War (Austrian Germany)
- First World War (Aztec Empire)
- First World War (Battle of Belusium)
- First Great War (Canadian Independence)
- First Great War (Central Triumph)
- First World War (Central World)
- First World War (Fidem Pacis)
- First World War (Forgot to Forget)
- First World War (French Brazil)
- First World War (Good for Baltic)
- First Great War (The New Disorder)
- First World War (Russian Rise)
- First World War (Satomi Maiden ~ Third Power)
- First Great War (Saxon America)
- First World War (Triunfa, España!)
- First World War (An Unfortunate King)
- First World War (Vicuña of the East)
- First Great War (Vive la Révolution!)
- Great War (1898: Great War)
- Great War (Brotherly Love)
- Great War (1914-1921) (Chinese Meiji)
- Great War (Differently)
- Great War (In Frederick's Fields)
- Great War (No Manifest Destiny)
- Great War (No Napoleon)
- Great War (One Day in Sarajevo)
- Great War (Pax Bulgarica)
- Great War (Principia Moderni III Map Game)
- Great War (Rebuild Map Game)
- Great War (Revision)
- Great War (Rule, Britannia!)
- Great War (Superpowers)
- Great War (Victory at Gettysburg)
- The Great War (Austria-Hungarian Assassin)
- The Great War (A Deal with Death)
- The Great War (Great Empires)
- The Great War (Great Rapprochement)
- The Great War (Nazi Cold War)
- The Great War (No Russia)
- The Great War (A Reich Disunited)
- The Great War (The American Empire: The Stars and Stripes)
- The Great War (1914-1921) (Triumph of the Central Powers)
- The Great War (Viva California)
- The Great War (Vive l'Emperor)
- The Great War (World Without Flight)
- The Great World War (The Purple Mantle)
- The Great World War (Venetian-Italian Supremacy)
- World War (A Cautious Decision)
- World War 1 (A Northern Wind)
- World War 1 (The Many Nations of North America)
- World War I (1856: Total War)
- World War I (1861: Historical Failing)
- World War I (1879: Agreement)
- World War I (A Better Tsar)
- World War I (A Century Early)
- World War I (A Truly Global War)
- World War I (A United Kingdom of Scandinavia)
- World War I (Alexander the Liberator)
- World War I (Allan Hang)
- World War I (American War)
- World War I (Ausgleich of 1917)
- World War I (Austria and others)
- World War I (Central Victory)
- World War I (Chaos)
- World War I (Cherry, Plum, and Chrysanthemum)
- World War I (Cinco De Mayo)
- World War I (Colonial Kingdoms)
- World War I (Das Große Vaterland)
- World War I (Different Europe)
- World War I (Divide and Conquer)
- World War I (Domus Iagiellonica)
- World War I (Early World War I)
- World War I (Fascist Britain)
- World War I (For Want of a Telegram)
- World War I (George Washington Born in the 19th Century)
- World War I (Hamilton Lives)
- World War I (Imperial Machines)
- World War I (Independant QC)
- World War I (Kaiser's Victory)
- World War I (King of America)
- World War I (Long live the Qing)
- World War I (Loyal Italy)
- World War I (Mexican Empire)
- World War I (Misconceived Malaproper Mania)
- World War I (Modernized Qing)
- World War I (Napoleon's America)
- World War I (New World)
- World War I (Of Clockwork and Men)
- World War I (OTL Doubled)
- World War I (OTL Quadrupled)
- World War I (OTL Tripled)
- World War I (Pax Columbia)
- World War I (Pharaonic Survival)
- World War I (Rise of Roses)
- World War I (Rise of the Reich)
- World War I (Russians in America)
- World War I (Rządź, Polsko!)
- World War I (Sacred White Europe)
- World War I (Second Mexican Empire win)
- World War I (Summer during the Battle of Moscow)
- World War I (The General and the Flu)
- World War I (The German Century)
- World War I (The Global War Map Game)
- World War I (The Kaiser's Far Friend)
- World War I (The Right Turn)
- World War I (The Unexpected Kingdom)
- World war I (The vanquished North)
- World War I (Their Gallant Dead)
- World War I (These Fractured States of North America)
- World War I (Twilight of a New Era)
- World War I (We Didn't Start the Fire)
- World War I (What a Wonderful World)
- World War I (Wiser Kaiser)
- World War I in North America (Balkanization of North America)
- World War I: Germany and America
- World War II (The Fork in Time)
- World War One (Central Powers Shift East)
- World War One (Divided States of America)
- World War One (North America under Indy)
- World War One (The Right Blunder)
- WWI (The Impossible Entente)