platinum anniversary

Noun

 * 1) The 70th anniversary of some event, particularly a wedding.

Usage notes
This anniversary is used in commemorative schemes where are reckoned as the 60th rather than 75th anniversary of an event.

Coordinate terms

 * 1st
 * 5th
 * 25th
 * 40th
 * 50th
 * 60th/75th

Translations

 * Finnish: rautahääpäivä ; 70-vuotispäivä