golden jubilee

The royal family celebrated their golden jubilee with a grand ceremony.

意味（1）

The golden anniversary of a coronation, the 50th anniversary of a monarch's rule.

Many Days of Feasting and Jollity were spent in the Celebration of this golden Jubilee.

意味（2）

(uncommon) Synonym of golden anniversary more generally.

The true Golden Jubilee-year of the Marriage of the Lamb ariseth up among them.