| 1,558 | Capitals of the Former Soviet Union Countries |
| 1,540 | Countries Russia and the Soviets Invaded, Occupied or Fought |
| 1,530 | WWII Tanks - Germany |
| 1,521 | The Soviet Union (USSR) |
| 1,512 | Difficult Cold War Trivia |
| 1,501 | 100 Most Influential People Of The 20th Century |
| 1,439 | Country's Nazi Germany Occupied During WW2 |
| 1,405 | Cold War Facts |
| 1,396 | WWII Tanks - Soviet Union |
| 1,385 | WWI Figures by Picture |
| 1,379 | Russian Tanks | During WW2 |
| 1,357 | Chernobyl Quiz |
| 1,327 | Sir Winston Churchill quotes |
| 1,300 | Former Soviet Union Countries - Sudden Death |
| 1,280 | Famous WW2 Generals |
| 1,275 | Concentration Camps of the Holocaust |
| 1,255 | 100 Biggest Cities in the WWII Axis Countries |
| 1,232 | Territorial Changes After WW2 |
| 1,214 | German Tanks of World War 2 |
| 1,196 | World War 2 Countries Quiz |
| 1,185 | WW2 History Quiz |
| 1,172 | Major terrorist attacks since 2000 |
| 1,169 | WW1 Countries - Allies |
| 1,169 | Axis conquest in WW2 (in order)- Hard |
| 1,168 | WW2 Battleships and Battlecruisers |
| 1,164 | US Navy and USAAF Aircraft of WWII |
| 1,160 | Cities in World War II |
| 1,145 | Which countries used to have colonies but lost them before the beginning of WW2 |
| 1,133 | Leaders during WW2 |
| 1,125 | All Countries Involved in WW2 |
| 1,101 | Civil Rights Movement Quiz |
| 1,101 | WWI: Central Power... or Allied Power? |
| 1,098 | Nazi Germany, 1933-1945 |
| 1,096 | Names of WWII Operations |
| 1,096 | Languages Spoken By Ho Chi Minh |
| 1,095 | World War II Events on the Map |
| 1,092 | Biggest Cities in Modern-Day Soviet Union with an Exception |
| 1,078 | WWII Tanks Multiple Choice |
| 1,070 | Heavy ships of WW2 |
| 1,061 | Events of 1959 |
| 1,058 | Countries in WWI |
| 1,043 | Cold War Events |
| 1,037 | WW2 British planes. |
| 1,026 | 50 WWII figures |
| 1,024 | Officially Atheist Countries |
| 993 | The Big Nazi Quiz |
| 992 | World War II Battles |
| 977 | Countries in World War I |
| 974 | Former Soviet Republics |
| 947 | All Imperial Japanese Navy (IJN) Aircraft Carriers |
| 937 | Famous People who were Gangsters and Outlaws |
| 923 | Flags of Countries That Bordered the USSR |
| 924 | British Warships of WW2 |
| 920 | Former countries of the USSR, in order of independence |
| 915 | World War II Quotes |
| 912 | East Germany Country Quiz |
| 909 | Countries with the Largest Amount of Troops in WW1 |
| 909 | Hero Cities of Soviet Union |
| 908 | Impossible WW2 trivia |
| 900 | USSR/Unified Team/Russian Olympic Gymnastics Teams |
| 888 | History of the Atomic Age |
| 862 | Events of 1962 |
| 852 | US WW2 Aircraft by Picture |
| 835 | Cold War Leaders |
| 826 | Cuban Missile Crisis |
| 820 | Who Declared war on eachother WW2 |
| 816 | 19th or 20th century? |
| 814 | communist countries during the cold war |
| 813 | British WW2 Aircraft by Picture |
| 807 | Name the 9 Battleships of the U.S. Pacific Fleet on December 7th, 1941 |
| 800 | Countries with Deaths from Nuclear and Radiation Incidents |
| 790 | Cold War Military Aircraft - Picture Quiz #1 |
| 773 | Famous WWII Generals |
| 771 | Countries That Experienced Hyperinflation 📈 |
| 768 | 10 Most Amount of Casualties By Country in WWI In 30 Seconds |
| 768 | The First World War by year - 1914 |
| 755 | Cities that were Stops on the Orient Express |
| 748 | Russian Empire or USSR? |
| 746 | Biggest Cities once in the Japanese Empire |
| 746 | Countries Founded by Former/Freed Slaves |
| 745 | Capital Ships Sunk During WWII With Map |
| 718 | Flags of Axis puppet states in WWII |
| 710 | Biggest Cities in East Germany (with map) |
| 709 | Former Soviet Republics By Size |
| 691 | 10 deadliest battles in WW2(European) |
| 688 | World War II Battleships of the Imperial Japanese Navy |
| 687 | History of the 1940s |
| 686 | Leaders of the Soviet Union |
| 678 | Countries of the USSR - 1 minute challenge |
| 661 | Countries in WW2 |
| 660 | Cold War Quiz |
| 661 | The Dictator Files: Nikita Khrushchev |
| 657 | Name the Years of the 20th Century Quiz |
| 652 | World War II Movies |
| 650 | Figures from the 20th Century |
| 643 | Countries that Controlled Former Nazi Germany |
| 643 | battle of WW2 |
| 628 | Countries Where Female Genital Mutilation is Common |
| 611 | Diseases That are Eradicated or Eradicable |
| 595 | Countries that lost territory after WWII |
| 569 | Countries involved in WWII |
| 567 | Flags of WWI |
| 557 | Countries of Oceania in 1921 |
| 554 | Countries with the Most Attempted Coups |
| 546 | Hard WW2 questions for the discerning historian - Aircraft |
| 544 | Ww2 events |
| 542 | US Navy Ships at Pearl Harbor |
| 542 | 20th Century Leaders by Pictures |
| 539 | History of the Soviet Union |
| 531 | Main Battles of WWII |
| 529 | Soviet Union Leaders By Picture |
| 523 | Acting US Presidents |
| 523 | WWI Countries |
| 521 | Walking Across European Borders (WW2): Portugal to Liechtenstein |
| 517 | Countries Where Holocaust Denial is Illegal |
| 509 | Geography Questions #13: Countries That Separated From Other Countries Part 2 USSR |
| 505 | World War II Basic Knowledge #1 |
| 496 | Ex USSR Countries |
| 492 | Religions of Vietnam |
| 488 | Former USSR Soviet Countries by Current Population |
| 487 | World War 2 General Knowledge Quiz |
| 485 | The Socialist Republics of the USSR |
| 477 | Famous Battles of World War II # 1 |
| 478 | World War 2 Word Chain |
| 473 | World War II Events Map Quiz |
| 464 | Countries part of The USSR |
| 464 | Cops and Robbers |
| 455 | Countries that stayed neutral in WWI |
| 454 | Flags of Former Soviet Republics |
| 445 | Countries in World War I |
| 443 | Leaders of Europe Quiz |
| 439 | Wars by Treaty |
| 429 | Wars Named for Their Duration |
| 427 | Royal Navy Cruisers of World War II |
| 425 | Eastern Front WW2 - Key Battles |
| 417 | WW2 german tank quiz |
| 412 | WWII expert quiz |
| 408 | Diseases Eliminated from the US |
| 407 | Ex-Soviet Union Countries |
| 404 | Republics of the Soviet Union |
| 400 | Countries that Preceded Nazi Germany |
| 399 | New Countries after WWI |
| 397 | WWII General Knowledge |
| 395 | Battle of Midway 1942 - Aircraft Carriers |
| 393 | Battles of World War Two |
| 390 | WWII Country Entrance Order |
| 388 | History of the 21st Century |
| 387 | Warsaw Pact : Countries and Capitals |
| 387 | The Grand Fleet |
| 380 | WW2 planes review |
| 377 | Countries Most Affected by the Spanish Flu |
| 376 | Countries with Decreasing GDP |
| 373 | Normandy D-Day Beaches with a Map |
| 369 | Countries That Japan Invaded In WWII |
| 360 | Countries that were part of the Soviet Union |
| 356 | World War 2 Trivia |
| 354 | World War 1: Nature of Trench Warfare |
| 354 | WWI Central Powers |
| 351 | Battles in WWI |
| 349 | World War 1 Casualties |
| 342 | The Five Sports Played in Every Modern Olympics |
| 340 | Mark Antony's Funeral Oration Quiz |
| 333 | WWII German Leaders/Commanders |
| 330 | World War II Heavy Cruisers of the Imperial Japanese Navy |
| 330 | Airplane Recognition - WWII |
| 328 | World War 2 Facts |
| 327 | WWII War Movies Quiz |
| 326 | Countries with Highest GDP Growth Rate |
| 325 | Countries With Gender Equality |
| 322 | Highest-Grossing Films Ever (at the Time) |
| 322 | Songs "Banned" by Clear Channel after 9/11 |
| 321 | Present Day Countries Within Warsaw Pact Borders |
| 319 | WWI Quiz *hard* |
| 315 | Countries that Got the Most Aid from the Marshall Plan |
| 314 | Countries Party to the Antarctic Treaty System |
| 308 | WWI General Knowledge |
| 307 | Countries of the Deadliest Crowd Crushes and Stampedes |
| 304 | European Countries with Monarchs Regularly Participating in Government |
| 303 | American Weapons of WWII |
| 299 | World War I Decoder |
| 297 | Central Powers-Occupied Countries of WWI |
| 287 | Tallest Buildings of the World - Timeline |
