Collocations for anniversary - noun

first, second, etc.
wedding
diamond, golden, silver, etc.
The event celebrates its silver anniversary this summer.

celebrate, commemorate, honour/honor (esp. AmE), mark
They held celebrations to mark the anniversary of Mozart's death.

be, fall
The anniversary of the founding of the charity falls in November.

approach, come up
Our 20th anniversary is coming up.

celebration, party
edition, issue
the 100th anniversary edition of this classic novel

year
the 200th anniversary year of Darwin's birth

anniversary of
the anniversary of their son's death

on an/the anniversary
on the 20th anniversary of his death
He bought her a diamond ring on their tenth wedding anniversary.