| Clue | Source | Date |
|---|---|---|
| D.C.-area airport code | ||
| One of DC's 35-Across (first spelled with its third letter moved to first) | Newsday | 06 Jul 2024 |
| "Gnarly, dude!" | LA Times Daily | 26 Jun 2022 |
| Code for DC's main airport | ||
| Start of the Christian era | ||
| Start of the Christian Era | ||
| First Year after B.C. | ||
| The year one. | ||
| First year on calendar. |