| Answer | Crossword Clue |
|---|---|
| bicentenaries | BICENTENARY, a two hundred year anniversary also BICENTENNIAL |
| bicentennials | BICENTENNIAL, a two hundred year anniversary also BICENTENARY |
| bicentennial | happening every two hundred years / a two hundred year anniversary also BICENTENARY |
| bicentenary | happening every two hundred years / a two hundred year anniversary also BICENTENNIAL |
| tercentenaries | TERCENTENARY, a three-hundred year anniversary also TRICENTENARY |
| tricentenary | a three-hundred year anniversary, or the celebrations for it also TERCENTENARY |
| tricentenaries | TRICENTENARY, a three-hundred year anniversary, or the celebrations for it also TERCENTENARY |
| tercentenary | pertaining to a three-hundred year anniversary / a three-hundred year anniversary also TRICENTENARY |
