| Taken | Quiz |
|---|
| 1,052 | Titanic |
| 1,045 | World War 2 Countries Quiz |
| 1,041 | Cities in World War II |
| 1,033 | Nazi Germany Multiple Choice |
| 1,023 | How many WW2 battles can you name? |
| 1,005 | Every Country in World War Two (2.0) |
| 990 | Countries in WWI |
| 983 | Diseases the WHO has Declared Emergencies for 🦠 |
| 975 | WW2 History Quiz |
| 959 | Which countries used to have colonies but lost them before the beginning of WW2 |
| 957 | Events of 1959 |
| 951 | Karl Marx Multiple Choice |
| 943 | Famous WW2 Generals |
| 942 | 100 Biggest Cities in the WWII Axis Countries |
| 939 | WW1 Countries - Allies |
| 934 | Major terrorist attacks since 2000 |
| 932 | Walking across European Borders (Cold War Edition): Portugal to Albania |
| 918 | Names of WWII Operations |
| 895 | World War II Battles |
| 888 | WWII Tanks - Germany |
| 887 | Leaders during WW2 |
| 885 | Heavy ships of WW2 |
| 884 | Chernobyl Quiz |
| 884 | WWII Tanks - Soviet Union |
| 880 | Civil Rights Movement Quiz |
| 865 | Biggest Cities in Modern-Day Soviet Union with an Exception |
| 857 | Click Chain #23 - World War I+ |
| 843 | History of the Atomic Age |
| 835 | USSR/Unified Team/Russian Olympic Gymnastics Teams |
| 832 | Nazi Germany, 1933-1945 |
| 832 | Countries in World War I |
| 831 | All Countries Involved in WW2 |
| 828 | 20th Century Countries that don't exist anymore |
| 823 | World War II Quotes |
| 802 | Concentration Camps of the Holocaust |
| 802 | Former Soviet Republics |
| 791 | Events of 1962 |
| 758 | US Navy and USAAF Aircraft of WWII |
| 754 | Former countries of the USSR, in order of independence |
| 753 | Cold War Leaders |
| 751 | All Communist-Ruled Countries, Current and Former |
| 735 | Name the 9 Battleships of the U.S. Pacific Fleet on December 7th, 1941 |
| 732 | WWII Tanks Multiple Choice |
| 728 | WWI: Central Power... or Allied Power? |
| 727 | 50 WWII figures |
| 717 | World War II Events on the Map |
| 705 | Languages Spoken By Ho Chi Minh |
| 696 | Hero Cities of Soviet Union |
| 690 | communist countries during the cold war |
| 687 | Impossible WW2 trivia |
| 671 | 19th or 20th century? |
| 670 | German Tanks of World War 2 |
| 670 | The First World War by year - 1914 |
| 664 | WW2 British planes. |
| 657 | Countries with the Largest Amount of Troops in WW1 |
| 651 | Famous Disasters on the Map |
| 640 | History of the 1940s |
| 626 | The Big Nazi Quiz |
| 618 | All Imperial Japanese Navy (IJN) Aircraft Carriers |
| 610 | Famous People who were Gangsters and Outlaws |
| 598 | Figures from the 20th Century |
| 598 | Countries of the USSR - 1 minute challenge |
| 598 | Officially Atheist Countries |
| 598 | Former Soviet Republics By Size |
| 589 | Name the Years of the 20th Century Quiz |
| 581 | World War II Movies |
| 577 | Leaders of the Soviet Union |
| 573 | Cuban Missile Crisis |
| 566 | Ww2 weapons |
| 565 | battle of WW2 |
| 556 | British WW2 Aircraft by Picture |
| 548 | Biggest Cities once in the Japanese Empire |
| 525 | World War II Battleships of the Imperial Japanese Navy |
| 524 | Flags of WWI |
| 522 | East Germany Country Quiz |
| 511 | Countries with Deaths from Nuclear and Radiation Incidents |
| 511 | Famous WWII Generals |
| 502 | Countries with Legal Recreational Marijuana |
| 467 | US WW2 Aircraft by Picture |
| 466 | Ww2 events |
| 455 | Countries that Controlled Former Nazi Germany |
| 454 | Hard WW2 questions for the discerning historian - Aircraft |
| 453 | Cities that were Stops on the Orient Express |
| 451 | Countries involved in WWII |
| 450 | Countries Founded by Former/Freed Slaves |
| 449 | Cops and Robbers |
| 448 | Geography Questions #13: Countries That Separated From Other Countries Part 2 USSR |
| 446 | History of the Soviet Union |
| 444 | The Dictator Files: Nikita Khrushchev |
| 441 | Ex USSR Countries |
| 438 | Cold War Quiz |
| 436 | Capital Ships Sunk During WWII With Map |
| 436 | WWI Countries |
| 434 | Famous Battles of World War II # 1 |
| 426 | Walking Across European Borders (WW2): Portugal to Liechtenstein |
| 421 | Countries that lost territory after WWII |
| 419 | Main Battles of WWII |
| 416 | US Navy Ships at Pearl Harbor |
| 415 | World War II Basic Knowledge #1 |
| 413 | The Socialist Republics of the USSR |
| 401 | Countries Where Female Genital Mutilation is Common |
| 387 | Countries in World War I |
| 377 | World War 2 Word Chain |
| 373 | Countries part of The USSR |
| 370 | countries that fought in the WW2 |
| 362 | World War 2 General Knowledge Quiz |
| 357 | Soviet Union Leaders By Picture |
| 353 | The Grand Fleet |
| 352 | Countries of Oceania in 1921 |
| 352 | Battles of World War Two |
| 350 | Republics of the Soviet Union |
| 350 | 20th Century Leaders by Pictures |
| 344 | WWII expert quiz |
| 344 | Ex-Soviet Union Countries |
| 340 | All Countries to Experience Hyperinflation |
| 330 | Religions of Vietnam |
| 326 | Name WWII US + Japan + UK Aircraft Carriers |
| 323 | WW2 planes review |
| 322 | Countries that stayed neutral in WWI |
| 320 | Mark Antony's Funeral Oration Quiz |
| 312 | Countries with the Most Attempted Coups |
| 312 | Countries that were part of the Soviet Union |
| 310 | Flags of Former Soviet Republics |
| 310 | World War 1: Nature of Trench Warfare |
| 309 | Diseases that are Eradicated or Eradicable |
| 309 | Former USSR Soviet Countries by Current Population |
| 308 | Warsaw Pact : Countries and Capitals |
| 308 | WWII Country Entrance Order |
| 303 | WW2 german tank quiz |
| 301 | WWI Central Powers |
| 297 | World War 1 Casualties |
| 297 | World War 2 Trivia |
| 295 | New Countries after WWI |
| 276 | Countries with Decreasing GDP |
| 273 | WWII General Knowledge |
| 271 | World War 2 Facts |
| 271 | Battle of Midway 1942 - Aircraft Carriers |
| 271 | Countries That Japan Invaded In WWII |
| 267 | Present Day Countries Within Warsaw Pact Borders |
| 265 | Countries that Preceded Nazi Germany |
| 263 | Countries Most Affected by the Spanish Flu |
| 256 | Countries Where Holocaust Denial is Illegal |
| 252 | World War II Events Map Quiz |
| 247 | Eastern Front WW2 - Key Battles |
| 242 | Acting US Presidents |
| 242 | The Soviet Union- Early 20th Century |
| 240 | WWII German Leaders/Commanders |
| 237 | Central Powers-Occupied Countries of WWI |
| 232 | Diseases Eliminated from the US |
| 229 | Countries with Highest GDP Growth Rate |
| 229 | American Weapons of WWII |
| 228 | World War II Heavy Cruisers of the Imperial Japanese Navy |
| 227 | WWI General Knowledge |
| 226 | World Leaders of Europe Quiz |
| 226 | Battles in WWI |
| 226 | Capitals of Former Soviet Countries |
| 225 | WWII War Movies Quiz |
| 223 | The Five Sports Played in Every Modern Olympics |
| 221 | Wars by Treaty |
| 220 | History of the 21st Century |
| 219 | Countries with Decreasing HDI Score (2017-18) |
| 216 | Nazi in power of Germany |
| 215 | Countries that Got the Most Aid from the Marshall Plan |
| 213 | Wars Named for Their Duration |
| 213 | Balkan Countries - 1900 |
| 211 | Royal Navy Cruisers of World War II |
| 211 | Airplane Recognition - WWII |
| 211 | WWI Quiz *hard* |
| 210 | Highest-Grossing Films Ever (at the Time) |
| 209 | Allies of World War I |
| 209 | European Countries with Monarchs Regularly Participating in Government |
| 207 | Songs "Banned" by Clear Channel after 9/11 |
| 206 | World War I Decoder |
| 200 | Tallest Buildings of the World - Timeline |
| 199 | Japan Occupation During WWII |
| 198 | WWII Ally or Axis |
| 197 | Countries Party to the Antarctic Treaty System |
| 188 | Countries of Africa 1914 |
| 187 | Countries with Gender Equality |
| 185 | WWII Tanks - UK |
| 175 | Countries with Highest GDP Growth Rate (2017) |
| 174 | Most Translated Literary Works |
| 172 | Largest Soviet Union Cities |
| 171 | Countries that were in the Warsaw Pact or the Soviet Union |
| 171 | Battle of Stalingrad Quiz |
| 169 | music trivia: songs and artists of 1964 |
| 168 | Normandy D-Day Beaches with a Map |
| 167 | Countries that Administered the Tangier International Zone |
| 167 | Monarchs of WWI |
