diamond anniversary

noun

1. a 60th, or occasionally 75th, anniversary

Example Sentences

Exactly 60 years on, the show is celebrating its diamond anniversary with three new hour-long specials starting this weekend.

From BBC

A diamond anniversary is almost unheard of in showbiz circles.

From BBC

Aboard the Windrush 75 bus, Deborah Klass, chief executive of the Windrush Generation Association told how the float is dedicated to those who disembarked the HMT Empire Windrush at Tilbury in 1948, celebrating the diamond anniversary of their arrival.

From BBC

No host has been announced for the ceremony, which will celebrate the Emmy’s diamond anniversary.

From Seattle Times

This year, the Emmy Awards reaches its diamond anniversary with the 75th iteration of the show airing on Sept. 18.

From Los Angeles Times