The Great War of 1914-1918. Play World War I History trivia 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.
Think you know the answers? Play to find out.
This Archduke of Austria-Este was assassinated in Sarajevo on June 28, 1914, triggering the start of World War I.
This passenger liner was sunk by a German U-boat in 1915, killing 1,198 people and turning American opinion against Germany.
This country's invasion of neutral Belgium in August 1914 brought Britain into World War I.
This November 1918 date marks the armistice that ended fighting on the Western Front and is now commemorated as Veterans Day in the U.S.
This 1919 treaty formally ended World War I and imposed harsh penalties on Germany, including war guilt and massive reparations.
This form of combat, characterized by opposing forces fighting from parallel excavated defensive positions, defined much of the Western Front.
This nation, initially neutral, declared war on Germany in April 1917 after unrestricted submarine warfare and the Zimmermann Telegram.
This German military strategy aimed to quickly defeat France through Belgium before turning east to face Russia.