| Answer | Crossword Clue |
|---|---|
| OCT | When U.N. Day is: Abbr. |
| OCTOBER | When U. N. Day is. |
| OCT | When U.N. Day is celebrated |
| OCT | When U.N. Day comes |
| OCT | When U.N. Day occurs |
| APR | When Earth Day is celebrated: Abbr. |
| SPR | When Arbor Day is observed: Abbr. |
| MON | When Presidents' Day is always celebrated: Abbr. |
| NOV | When Guy Fawkes Day is celebrated: Abbr. |
| APR | When National Beer Day is celebrated: Abbr. |
| THU | Day when the Last Supper is commemorated: Abbr. |
