platinum jubilee

Noun

 * 1) The platinum anniversary of a coronation, the 70th anniversary of a monarch's rule.

Usage notes
This jubilee is used in commemorative schemes where are reckoned as the 60th rather than 75th anniversary of an event. In English, its use was popularized and particularly associated with the celebrations of the extremely long reign of.

Coordinate terms

 * 25th
 * 40th
 * 50th
 * 60/75th

Translations

 * Chinese:
 * Mandarin: 白金禧紀念
 * Japanese: プラチナ·ジュビリ