| Clue | Source | Date |
|---|---|---|
| With 42-Across, date hinted at by a hidden sequence in the four long Across answers | ||
| & 18 Down Time Rome chiefs had gathered inauspiciously | The Telegraph Toughie | 24 Sep 2021 |
| Part of a Shakespearean soothsayer's warning | ||
| Part of a Shakespearean soothsayer's warning | LA Times Daily | 08 Dec 2019 |
| Date that provides a phonetic hint to four other answers in this puzzle | New York Times | 15 Mar 2018 |
| Date that provides a phonetic hint to four other answers in this puzzle | ||
| March 15, in 44 B.C. | ||
| March 15 | ||
| "Beware ___ of March!" | ||
| "Beware ___ . . . " |