Answer :
There are 3 that I could find/remember. They are:
1. Bicentenary
2. Anniversary
3. Day of remembrance
A sentence you could use is:
"last year's commemoration of the bicentennial of Mozart's birth"
1. Bicentenary
2. Anniversary
3. Day of remembrance
A sentence you could use is:
"last year's commemoration of the bicentennial of Mozart's birth"