| 100% | WWII | 4 | When the O.S.S. was formed |
| 64% | ICEAGE | 6 | When the Great Lakes were formed |
| 63% | MINGDYNASTY | 11 | Group that was in power when the best-preserved form of this puzzle's landmark was built |
| 62% | LIBEL | 5 | Form of defamation when the communication is in writing |
| 60% | ALA | 3 | Where the C.S.A. was formed |
| 59% | ALEAST | 6 | The O's are in it |
| 58% | ASTEROID | 8 | Rocky remnant in space from when the Solar System was formed |
| 56% | LAP | 3 | What the thighs form when a person is sitting |
| 56% | ACTI | 4 | When the protagonist's status quo is interrupted, often |
| 55% | PITT | 4 | British P.M. when the U.S. Constitution was signed |
| 55% | DDAY | 4 | When all one's planning is put to the test |
| 55% | PIN | 3 | When a wrestler's shoulders are forced to the mat |
| 53% | BET | 3 | It's revealed when the chips are down |
| 53% | IMSOBORED | 9 | Kid's complaint when the internet is out |
| 53% | TEAK | 4 | Plant whose name becomes that of a meat product when an s is added to the beginning |
| 53% | HALLOWEEN | 9 | When the skeletons in one's closet might be brought out |
| 53% | FOODCHAIN | 9 | Hierarchical system … or what is formed when the answers to the starred clues are placed end to end |
| 53% | SHADOW | 6 | It's shortest when the sun is directly overhead |
| 52% | NINETEENEIGHTYTWO | 17 | When the Commodore 64 computer was released |
| 52% | ADAR | 4 | When the Feast of Lots is observed |
| 52% | MIDJUNE | 7 | When the abolition of slavery is commemorated |
| 52% | ADAR | 4 | When the Feast of Esther is observed |
| 52% | OXBOWLAKE | 9 | Water body formed when a river segment is cut off from the main flow |
| 52% | EMOJI | 5 | Text picture that was the OED's 2015 Word of the Year |
| 52% | AUGUST | 6 | When the closing ceremonies of next year's Tokyo Olympic Games are |
| 52% | ROSES | 5 | Guns N' ___, hard rock band that was formed in California which had the hit song "Sweet Child o' Mine" |
| 52% | ETA | 3 | Pilot's prediction about when the flight will land: Abbr. |
| 52% | TGIF | 4 | Weary employee's cry when the workweek is done: Abbr. |
| 52% | SEP | 3 | When V-J Day is observed, in the U.S. |
| 51% | TRUMANERA | 9 | When NATO was formed |