golden wedding 
(also golden wedding anniversary)
noun
The fiftieth anniversary of a couple’s wedding: we met in our twenties and celebrated our golden wedding last year...
- Derek Bond was pleased when he saw two cars barrelling along the dirt road leading to the eco-reserve in northern Zululand where he and his wife, Audrey, were on holiday, celebrating their golden wedding anniversary.
- Congratulations to club president Peter Morley who last week celebrated his golden wedding anniversary, following fifty years of marriage to Paula, who also worked for the club.
- Frank and Rosemary Weston celebrated their golden wedding anniversary last week, more than 60 years after falling madly in love on the netball court at school.
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