| 100% | FLIGHT | 6 | Wright Brothers were first in this |
| 50% | WHOSTHERE | 9 | This two-word phrase is the first line in Hamlet |
| 49% | TOBACCO | 7 | Rolfe was the first to cultivate this in Virginia |
| 48% | OLYMPIC | 7 | The first modern one of these games was in Greece |
| 48% | LED | 3 | Was first in line |
| 47% | PROGRESS | 8 | The first step in this is discontent |
| 47% | ANNA | 4 | First recipient of successful pulmonary bypass surgery was this dog, operated on in 1943 |
| 47% | LED | 3 | Was first in a parade |
| 47% | ELDORADO | 8 | The first complete navigation of the Amazon was in search of this |
| 47% | WORD | 4 | The first one in this clue is "The" |
| 46% | JOHN | 4 | In 1912, 24,587 new male babies in the US were given this first name |
| 46% | MADAMSPEAKER | 12 | *Nancy Pelosi was the first person ever to have this title in Congress |
| 46% | JET | 3 | The Lippisch Ente was the first one of these to fly, in 1928 |
| 46% | USA | 3 | This nation's athlete is the first figure skater to land eight quads in a competition |
| 45% | ATOMICPILE | 10 | The first one of these was built by Fermi and his team in 1942 |
| 45% | JEEP | 4 | The 2020 Gladiator is this brand's first pick-up truck in over 25 years |
| 44% | DREAM | 5 | "Whenever I want you, all I have to do" is this, in an Everly Brothers hit |
| 44% | DOG | 3 | President Trump is the first president in over 100 years not to have one of these |
| 43% | PETE | 4 | Trumpeter Minger (whose first name is hidden in this clue) |
| 43% | VCR | 3 | The first commercial one of these was introduced by Ampex in 1956 and cost roughly $50,000 |
| 43% | ATM | 3 | Installation of October 1997 in Canada's capital was the world's first talking one of these |
| 43% | ENGLISHTEXTBOOK | 15 | In this, a "." is a "period" |
| 43% | BODYTEMPERATURE | 15 | In this, a "." is a "point" |
| 43% | INTERNETADDRESS | 15 | In this, a "." is a "dot" |
| 43% | TIMES | 5 | Square where the words in this puzzle's dropping balls may be heard at the end of a song's first verse |
| 43% | ICHIRO | 6 | Suzuki who will be the first Japanese player in the Baseball Hall of Fame when inducted this July |
| 43% | OPS | 3 | Roderick Ross was the first chief constable for this force, established in Canada's capital in 1855 (abbr.) |
| 42% | TARA | 4 | Author Westover whose memoir is spelled out in the first letters of this puzzle's eight circled schools |
| 42% | DOLDRUMS | 8 | Be down in these when feeling depressed |
| 42% | LED | 3 | Was in first |