The Great War of 1914-1918. Play the World War I History trivia quiz solo to sharpen your knowledge, or challenge a friend head-to-head in Trivia Tango — every question comes with an explanation so you learn as you play. Questions span every level, from easy warm-ups to expert-level stumpers, so there's a real challenge here however much you already know.
A mix of easy, medium and hard — questions run from warm-up to expert, so there's a real challenge at every level. Think you know the answers? Play to find out.
This passenger liner was sunk by a German U-boat in 1915, killing 1,198 people and turning American opinion against Germany.
Difficulty: EasyThis Archduke of Austria-Este was assassinated in Sarajevo on June 28, 1914, triggering the start of World War I.
Difficulty: MediumThis Russian general launched the most successful Allied offensive of 1916, breaking through Austro-Hungarian lines and nearly knocking Austria out of the war.
Difficulty: HardThis country's invasion of neutral Belgium in August 1914 brought Britain into World War I.
Difficulty: EasyThis emperor abdicated and fled to the Netherlands as Germany collapsed in November 1918, ending the German monarchy.
Difficulty: MediumThis German cruiser was trapped in the Rufiji River delta in East Africa and its crew eventually joined land forces under von Lettow-Vorbeck.
Difficulty: HardThis November 1918 date marks the armistice that ended fighting on the Western Front and is now commemorated as Veterans Day in the U.S.
Difficulty: EasyThis was the first major battle of WWI on the Western Front, where French and British forces halted the German advance toward Paris in September 1914.
Difficulty: Medium