Longman Dictionary of Contemporary English
golden anniversary
noun
EXAMPLES FROM CORPUS
▪ Success is also particularly appropriate this year, as the band is celebrating its golden anniversary.
Usage examples of "golden anniversary".
I presented him with a golden anniversary gift any jazz aficionado would appreciate, a large portfolio of photographs of jazz musicians, autographed by the superb jazz photographer Herman Leonard.
All the golden anniversary celebrations for that stupid movie -- I didn't get a single engraved invitation.
Andrews felt as though he was intruding upon an after-concert meeting of Kiss and Alice Cooper at some golden anniversary concert.
The girl offers a golden anniversary couple in matching Hawaiian shirts a selection of canapes from a silver tray, but the couple and everybody else in their double knits and camera necklaces, they're staring up and to the right at something off camera.