VERB + ANNIVERSARY
- celebrate, commemorate, mark
- They held celebrations to mark the anniversary of Mozart's death
ANNIVERSARY + VERB
- be, fall
- The anniversary of the founding of the charity falls on 12th November
PREP
- on an/the ~
- on the 20th anniversary of his death
ADJ
- first, second, etc.
- wedding
PREP
- on sb's ~
- He bought her a diamond ring on their tenth wedding anniversary
PHRASES
- a diamond, golden, silver, etc. wedding anniversary
