Getting your questions ready
Getting your questions ready
Beat the crowd
9 questions No timer
114 free Military trivia questions with answers — history quiz, new questions added Aug 2026.
50 free military trivia questions with answers. Think you know everything about military history and armed forces? Our Military Trivia Quiz will put your knowledge to the test! From legendary battles to iconic military leaders and historic campaigns, this quiz covers the most important moments in military history. Find out how much you really know about the world's militaries and their defining moments.
30 of 114 questions with answers and explanations. Play the quiz
Q 01Which unit of an Imperial Roman legion was typically double-strength and carried the eagle standard?
First Cohort
The first cohort of a Roman legion was often organized to be larger than others, typically double-strength, and was given the prestigious role of safeguarding the legion's eagle standard.
Q 02In what year was the Battle of Thermopylae fought?
480 BC
The Battle of Thermopylae was fought in 480 BC during Xerxes I's invasion of Greece; the Persian fleet was beaten at Salamis later that same year.
Q 03The earliest known crossbows were invented in which civilization?
China
China had crossbows by the first millennium BC, and the terracotta army of the first emperor was buried with them; examples date back to the 7th century BC.
Q 04What was the code name for Nazi Germany's invasion of the Soviet Union during World War II?
Operation Barbarossa
Operation Barbarossa, launched on 22 June 1941, was the largest invasion in history and is named for a crusading medieval German emperor, Frederick Barbarossa.
Q 05Since the Space Force was added in 2019, how many branches make up the US Armed Forces?
Six
Since the Space Force was created in 2019, the six branches of the United States Armed Forces are the Army, Marine Corps, Navy, Air Force, Space Force, and Coast Guard.
Q 06Which fruit is the word 'grenade' thought to come from, given the shape of early bombs?
Pomegranate
Pomegranate is grenade in French, and the round early bombs packed with shot looked like the seed-filled fruit; others trace it to Latin granatus, 'filled with grain'.
Q 07Which military discipline covers the movement, supply and maintenance of forces?
Logistics
Logistics is the unglamorous science of getting fuel, food and ammunition to the front, and the thing armies most often run out of.
Q 08What was the German fortified belt across the northern Apennines in Italy during World War II called?
Gothic Line
The Gothic Line was Field Marshal Albert Kesselring's last major line of defense in Italy, stretching across the northern Apennine Mountains.
Q 09What is the term for one state hacking another's networks and infrastructure to do damage?
Cyber Warfare
Cyber warfare involves strategic cyberattacks by states or organizations aimed at causing significant harm, disruption, or destruction to an adversary's computer systems.
Q 10Which gas did Germany first use as a large-scale lethal chemical weapon at Ypres in WWI?
Chlorine Gas
Chlorine Gas was first released on 22 April 1915 at the Second Battle of Ypres; its greenish cloud opened the era of large-scale lethal gas warfare.
Q 11Which Roman general defeated Hannibal at the Battle of Zama in 202 BC?
Scipio Africanus
Scipio Africanus defeated Hannibal at Zama in 202 BC, ending the Second Punic War; the victory earned him the honorific 'Africanus', though political attacks later drove him into retirement at Liternum.
Q 12Tanks were first introduced during which major global conflict?
World War I
Tanks were developed and first deployed on the battlefield during World War I to break the stalemate of trench warfare.
Q 13What is the primary role of a destroyer in a modern naval fleet?
Escorting and defending larger vessels
Q 21What is the highest military award for valor in the United States Armed Forces?
Medal of Honor
The Medal of Honor is the highest and most prestigious military decoration awarded by the United States government for valor in combat.
Q 22Which battle is considered Napoleon Bonaparte's final defeat?
Battle of Waterloo
The Battle of Waterloo ended Napoleon's Hundred Days; Wellington's army held until the Prussians under Blücher arrived, and the name became a byword for decisive defeat.
Q 23Which of these military ranks is typically found in the non-commissioned officer (NCO) corps?
Sergeant
Escorting and defending larger vessels is the destroyer's job: fast, long-endurance ships that screen carriers and convoys against submarines, aircraft and missiles.
Q 14What was the historical term for an infantry soldier trained to throw hand bombs?
Grenadier
Grenadiers were picked for size and nerve in 17th-century armies, and the tall bearskin caps worn outside Buckingham Palace are a leftover of their prestige.
Q 15Which famous military strategist authored 'The Art of War'?
Sun Tzu
Sun Tzu, an ancient Chinese military strategist, is widely credited as the author of 'The Art of War,' a highly influential treatise on military strategy and tactics.
Q 16Which type of military aircraft is built mainly for air-to-air combat?
Fighter
Fighter aircraft are high-speed, agile military planes primarily designed for engaging and destroying enemy aircraft in aerial combat.
Q 17The Maginot Line was a series of fortifications built by which country before World War II?
France
The Maginot Line was a complex system of concrete fortifications, obstacles, and weapon installations built by France in the 1930s to deter invasion from Germany.
Q 18Which conflict is often called a 'proxy war', with major powers backing opposing sides without fighting directly?
Cold War
The Cold War was characterized by numerous 'proxy wars' around the globe, where the United States and the Soviet Union supported opposing factions without directly fighting each other.
Q 19Which technology did Britain's WWII Chain Home coastal stations use to detect aircraft?
Radar
Chain Home was Britain's early-warning radar network; its coastal stations could spot enemy formations assembling over France, giving RAF commanders time to put fighters in a raid's path.
Q 20Which special operations force is known for its motto 'Who Dares Wins'?
British SAS
The British Special Air Service (SAS), a renowned special forces unit, is famously known for its motto, 'Who Dares Wins'.
Sergeant is a common rank within the non-commissioned officer (NCO) corps across many military forces, responsible for leading small units and training junior enlisted personnel.
Q 24What term describes military members who hold civilian jobs while staying ready for call-up?
Reserve Forces
Reserve Forces keep civilian jobs and train part-time, ready for call-up; their counterparts in a standing army serve full-time.
Q 25Which type of warship serves as a seagoing airbase with a full-length flight deck?
Aircraft Carrier
An aircraft carrier is a capital ship that serves as a seagoing airbase, equipped with a full-length flight deck and facilities for carrying, arming, deploying, and recovering aircraft.
Q 26Which collective defense alliance was formed in 1949 against the Soviet threat?
NATO
The North Atlantic Treaty Organization (NATO) was established in 1949 by the United States, Canada, and several Western European nations as a collective security alliance.
Q 27In military parlance, what does 'reconnaissance' primarily involve?
Gathering information about an enemy or area
Reconnaissance is the military's exploration outside an area occupied by friendly forces to gain information about the features of a specific area, or about the enemy.
Q 28In which 1982 conflict did HMS Conqueror sink the cruiser General Belgrano?
Falklands War
HMS Conqueror torpedoed the Argentine cruiser General Belgrano on 2 May 1982 during the Falklands War, the first sinking of a warship by a nuclear-powered submarine.
Q 29Which ancient Greek city-state was renowned for its disciplined, formidable military?
Sparta
Sparta's agoge took boys at seven and made hoplites of them; it was the dominant land power of Greece until Thebes beat it at Leuctra in 371 BC.
Q 30The Geneva Conventions primarily deal with what aspect of warfare?
Rules for the conduct of hostilities and treatment of victims
The Geneva Conventions are a series of treaties that establish international humanitarian law, setting standards for the humane treatment of war victims, including civilians, prisoners of war, and the sick and wounded.