| Acting US Presidents | 524 | - | - |
| Most-Ratified International Treaties | 250 | - | - |
| Name the U.S. Presidents from Virginia | 369 | - | - |
| US Presidents by Published Books | 168 | - | - |
| US Presidents Who Wore a Powdered Wig | 335 | - | - |
| Wars by Treaty | 440 | - | - |
| Wars Named for Their Duration | 433 | - | - |
| WWI: Central Power... or Allied Power? | 1,112 | - | - |
| WWII: Axis... or Allies? | 3,798 | - | - |
| Presidents who Coined or Popularized Words | 88 | - | - |
| States that Have Been Blue the Longest | 34,717 | 0 | - |
| States that Have Been Red the Longest | 29,239 | 0 | - |
| States From Which the Most Presidents Came | 1,649 | - | - |
| States That Won Super Bowls | 1,965 | - | - |
| US States Where Voting in Presidential Elections is Easiest | 185 | - | - |
| US States Where Voting in Presidential Elections is Most Difficult | 233 | - | - |
| US States With Highest Passport Ownership 🛂 | 305 | - | - |
| US States With the Least Central Capitals | 385 | - | - |
| US States Without a "(Something) State" Nickname | 112 | - | - |
| Countries Never Visited by a US President (Outside Africa) | 534 | - | - |
| Countries of the Americas with the Strongest Militaries | 538 | - | - |
| Countries Founded by Former/Freed Slaves | 758 | - | - |
| Countries A-Z (Strongest Military) | 1,422 | - | - |
| Countries and Territories in Free Association | 675 | - | - |
| Countries with Diplomatic Missions of Northern Cyprus | 512 | - | - |
| Countries Party to the Antarctic Treaty System | 317 | - | - |
| Countries that Administered the Tangier International Zone | 270 | - | - |
| Countries Visited by John F. Kennedy During His Presidency | 568 | - | - |
| Countries Visited During the World Tour of Ulysses S. Grant | 198 | - | - |
| Countries Where Communist Symbols are Banned | 1,119 | - | - |
| Countries Where Turkey Has a Military Base | 615 | - | - |
| Countries With a Female Majority in Parliament | 138 | - | - |
| Countries With a Stronger Military Than All Neighbors | 2,278 | - | - |
| Countries with Chemical Weapons | 560 | - | - |
| Countries With Outermost Regions of the European Union (EU) | 649 | - | - |
| Countries with the Richest Monarchs | 175 | - | - |
| European Countries with Monarchs Regularly Participating in Government | 304 | - | - |
| Members of the Caribbean Community (CARICOM) | 288 | - | - |
| Most Populous Countries Never Visited by a US President | 336 | - | - |
| Countries Not Members of the IMF | 414 | - | - |
| Presidents with Airports Named After Them 🛫 | 167 | - | - |
| Which Country Has a Stronger Military? | 185 | - | - |
| US States With the Most Counties | 183 | - | - |
| Countries in Africa With the Strongest Military | 151 | - | - |
| Countries That are Elective Monarchies | 40 | - | - |
