| Answer | Crossword Clue |
|---|---|
| semicentennials | the celebration of this anniversary |
| BISONTENNIAL | Anniversary celebration at the zoo? |
| birthday | the festivities or celebration marking such a day or anniversary |
| birthdays | the festivities or celebration marking such a day or anniversary |
| requiems | Mass celebrated for the repose of the souls of the dead; celebration of this Mass; plainsong setting for this Mass |
| requiem | Mass celebrated for the repose of the souls of the dead; celebration of this Mass; plainsong setting for this Mass |
