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Challenge yourself with our in-depth World War I trivia quiz featuring 97 free questions with answers spanning military history, political figures, and pivotal moments from 1914-1918. Whether you're a history enthusiast or preparing for an exam, this quiz covers essential WWI topics including major battles, treaties, and notable leaders. See how much you really know about The Great War!
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Q 01What event is often cited as the immediate cause of World War I?
The assassination of Archduke Franz Ferdinand
The assassination of Archduke Franz Ferdinand, heir to the Habsburg throne, by Bosnian Serb Gavrilo Princip in Sarajevo on 28 June 1914 set off the July Crisis that led to war.
Q 02Which country first declared war in World War I?
Austria-Hungary
Austria-Hungary blamed Serbia for the crisis and declared war on 28 July 1914; Russia mobilised in Serbia's defence and Germany then declared war on Russia and France.
Q 03Which alliance of Britain, France and Russia faced the Central Powers in World War I?
The Triple Entente
The Triple Entente, consisting primarily of France, Britain, and Russia, formed the core of the Allied Powers against the Central Powers (Germany, Austria-Hungary, and later the Ottoman Empire and Bulgaria).
Q 04What did contemporaries call the 1914–1918 conflict before a second world war renamed it?
The Great War
Contemporaries called it the Great War; the name World War I only took hold after a second world war began in 1939.
Q 05What was Germany's plan for a swift Western Front victory at the start of World War I called?
The Schlieffen Plan
The Schlieffen Plan was Germany's strategic plan for a quick victory over France by invading neutral Belgium, aiming to avoid a two-front war.
Q 06In September 1914, Paris's military governor rushed reinforcements to the Marne in about 600 commandeered what?
Taxicabs
Taxicabs: General Gallieni commandeered about 600 Paris taxis to carry troops toward the Marne on 6–7 September 1914; their meters ran the whole way, and historians rate their military effect as modest.
Q 07Which 1916 naval battle was World War I's only full-scale clash of battleships?
Jutland
The Battle of Jutland, fought off Denmark on 31 May–1 June 1916 between Jellicoe's Grand Fleet and Scheer's High Seas Fleet, left the Royal Navy in control of the North Sea.
Q 08The Gallipoli Campaign was an Allied operation aimed at opening a new front against which power?
The Ottoman Empire
The Gallipoli campaign of 1915 aimed to force the Dardanelles, open a supply route to Russia and knock the Ottoman Empire out of the war; British, French and ANZAC troops landed on 25 April 1915.
Q 09The Western Front during World War I was primarily characterized by what type of warfare?
Trench warfare
The Western Front became synonymous with trench warfare, a brutal and stagnant form of combat where opposing armies faced each other from elaborate systems of fortified ditches.
Q 10Which August 1914 Eastern Front battle was a decisive German victory over the Russian Second Army?
Tannenberg
At Tannenberg, 26–30 August 1914, the German 8th Army encircled and destroyed the Russian 2nd Army; its commander Alexander Samsonov shot himself, and the victory made Hindenburg and Ludendorff famous.
Q 11Which 300-day 1916 battle was the longest of World War I, with immense French and German casualties?
Battle of Verdun
The Battle of Verdun, fought between February and December 1916, was the longest battle of World War I and became a symbol of the war's destructive attrition.
Q 12The Battle of Cambrai in 1917 is notable for the first large-scale use of what new weapon by the British?
Tanks
The Battle of Cambrai in November 1917 saw the first massed use of tanks by the British, demonstrating their potential for breaking through enemy lines.
Q 13Which Allied nation's casualties on the first day of the 1916 Battle of the Somme were most staggering?
Britain
Q 21What new weapon was first used on a large scale at the Second Battle of Ypres in April 1915?
Poison gas
The Second Battle of Ypres marked the first major use of poison gas by the German army on the Western Front, specifically chlorine gas, causing significant casualties.
Q 22What did Parisians first assume was attacking them when shells fell from a 120 km-distant gun in March 1918?
A high-altitude Zeppelin
Parisians assumed a high-altitude Zeppelin, since no aircraft could be seen or heard; the Paris Gun was lobbing 106 kg shells about 130 km, the first landing on the Quai de la Seine at 7:18 a.m. on 23 March 1918.
Q 23As Germany's answer to the British naval blockade in World War I, what was the primary job of its U-boat fleet?
On 1 July 1916 the British suffered 57,470 casualties, 19,240 of them killed, against about 1,590 for the French Sixth Army alongside them.
Q 14Germany's last great 1918 Western Front gamble, launched before American strength arrived, is known as what?
The Spring Offensive
The Spring Offensive, also called the Kaiserschlacht or Ludendorff offensive, ran out of steam by July 1918, when arriving American troops restored the Allies' numerical edge.
Q 15Who was the President of the United States during World War I?
Woodrow Wilson
Woodrow Wilson, the 28th president, won re-election in 1916 on the slogan 'He kept us out of war', won the 1919 Nobel Peace Prize, yet saw the Senate refuse to ratify the Treaty of Versailles he brought home.
Q 16Who was the German Emperor (Kaiser) during World War I?
Wilhelm II
Kaiser Wilhelm II was the last German Emperor and King of Prussia, ruling from 1888 until his abdication in November 1918, at the end of World War I.
Q 17Who commanded the American Expeditionary Forces (AEF) on the Western Front during World War I?
John J. Pershing
Pershing insisted the AEF fight as an independent American army rather than being fed piecemeal into French and British units.
Q 18Which British Prime Minister led the wartime coalition from December 1916 to the armistice?
David Lloyd George
David Lloyd George served as the Prime Minister of the United Kingdom from 1916 to 1922, leading the country through the latter half of World War I and the subsequent peace negotiations.
Q 19How many confirmed aerial victories did Manfred von Richthofen, the Red Baron, score?
80
Manfred von Richthofen was credited with 80 confirmed victories, the highest tally of any World War I pilot, before he was shot down and killed near the Somme on 21 April 1918.
Q 20Which French Marshal was appointed Supreme Commander of the Allied Armies in March 1918?
Ferdinand Foch
Ferdinand Foch was given authority to coordinate the Allied armies at the Doullens conference on 26 March 1918; until then the British and French armies on the Western Front had no single commander.
Sinking Allied merchant ships
Sinking Allied merchant ships was the U-boats' job: the first attacks came in October 1914, and unrestricted warfare from 1917 aimed to starve Britain out.
Q 24The 1915 Fokker Eindecker was the first operational fighter with what device for firing a gun through the propeller?
Synchronization gear
Synchronization gear: Fokker's Stangensteuerung timed the machine gun to fire between the propeller blades, giving the Eindecker the 'Fokker Scourge' of 1915–16 and starting a race that ended with the hydraulic Constantinesco gear of 1917.
Q 25Alfred Leete's 1914 recruitment image showed which pointing British figure declaring he 'wants you'?
Lord Kitchener
Lord Kitchener, Secretary of State for War, was the pointing figure; Leete's image first ran on the cover of London Opinion on 5 September 1914 and later inspired James Montgomery Flagg's pointing Uncle Sam.
Q 26What nickname did British women who filled shells with TNT earn from the colour it turned their skin?
Canary Girls
Canary Girls: the TNT they handled stained munitions workers' skin and hair yellow; hundreds of thousands of British women worked in munitions by 1918, and toxic jaundice from TNT killed some of them.
Q 27Which British nurse was shot by a German firing squad in 1915 for helping Allied soldiers escape occupied Belgium?
Edith Cavell
Edith Cavell had treated wounded men from both sides without discrimination and helped some 200 Allied soldiers escape; the Church of England commemorates her on 12 October, the day of her execution.
Q 28On what date did the armistice, ending hostilities in World War I, come into effect?
November 11, 1918
The armistice took effect at 11 a.m. on 11 November 1918, six hours after Foch and the German delegation signed it; it was a ceasefire, not a formal German surrender.
Q 29Which of these was a major provision of the Treaty of Versailles?
Germany had to pay war reparations
Germany had to pay war reparations, fixed in 1921 at 132 billion gold marks, and also disarm, cede territory and accept the 'war guilt' clause; the treaty was signed at Versailles on 28 June 1919.
Q 30Article 231 of the Treaty of Versailles is commonly known by what name?
The War Guilt Clause
Article 231 is the War Guilt Clause: it made Germany accept responsibility for the loss and damage caused by the war and opened the reparations section, though historian Sally Marks notes it never uses the words 'war guilt'.