| 100% | LED | 3 | Was in the first position |
| 72% | BROWSERWAR | 10 | Navigator was in the first one |
| 67% | LED | 3 | Took the first position in a procession, say |
| 66% | DETECTOR | 8 | The first metal __ was invented in 1874 |
| 66% | TEDTALK | 7 | The first one was delivered in 1984 |
| 66% | DETECTOR | 8 | The first particle __ was invented in 1911 |
| 66% | COMPUTER | 8 | The first programmable __ was built in 1938 |
| 66% | EMAIL | 5 | The first one was sent in 1971 |
| 66% | PROGRESS | 8 | The first step in this is discontent |
| 65% | WORD | 4 | The first one in this clue is "The" |
| 65% | STREET | 6 | The first __ lights were used in ancient Rome |
| 64% | SNEEZED | 7 | What Fred Ott did in the first movie to be copyrighted |
| 64% | ALMANAC | 7 | The first one printed in America was in 1639 |
| 64% | SSN | 3 | The first one was issued in 1936, for short |
| 63% | CHRISTY | 7 | Mathewson who was in the Baseball Hall of Fame's first class |
| 63% | OLYMPICS | 8 | The first modern one was held in Athens in 1896 |
| 63% | JAMESJOYCE | 10 | The first part of his ''Ulysses'' was published in 1918 |
| 63% | RABBI | 5 | The first ordained female one was Regina Jonas in 1935 |
| 63% | OLYMPIC | 7 | The first modern one of these games was in Greece |
| 62% | LUCILLEBALL | 11 | Sitcom pioneer who was in the first class of inductees into the Television Hall of Fame (2 wds.) |
| 61% | YOGAMAT | 7 | Cushion on which you might be in the "downward-facing dog" position: 2 wds. |
| 61% | MOTEL | 5 | The first one was built in 1925 in San Luis Obispo, Calif. |
| 61% | ELDORADO | 8 | The first complete navigation of the Amazon was in search of this |
| 61% | MILTONBERLE | 11 | Television comedy pioneer who was in the first class of inductees into the Television Hall of Fame (2 wds.) |
| 61% | EDWARDRMURROW | 13 | Broadcast news pioneer who was in the first class of inductees into the Television Hall of Fame (3 wds.) |
| 60% | FACEBOOKBUTTONS | 15 | What the first words in 17-, 29- and 48-Across are |
| 60% | PROMOTION | 9 | The act of being raised in position or rank |
| 60% | RIKER | 5 | Will, first officer of the Enterprise in Star Trek |
| 60% | ATOMICPILE | 10 | The first one of these was built by Fermi and his team in 1942 |
| 59% | GOREVIDALNOVELS | 15 | What the first words of eight long answers in this puzzle are |