| Answer | Crossword Clue |
|---|---|
| DATE | The 30th instant. |
| WISC | The 30th: Abbr. |
| EOM | The 30th, often: Abbr. |
| EOM | Around the 30th: Abbr. |
| CAIRO | Capital on the 30th parallel |
| MMCMI | Start of the 30th century |
| SILENTCAL | Nickname of the 30th president |
| FULLMOON | It's never blue before the 30th |
| CAL | Nickname of the 30th U.S. President |
| CAL | Nickname of the 30th U.S. president |
| THEME | Adding certain letters to phrases to mark the 30th anniversary of the seminal "Elk Cloner" computer virus, e.g. |
