of, relating to, or being a seventy-fifth anniversary

listen to the pronunciation of of, relating to, or being a seventy-fifth anniversary
Английский Язык - Английский Язык

Определение of, relating to, or being a seventy-fifth anniversary в Английский Язык Английский Язык словарь

of, relating to, or being a seventy-fifth anniversary.
diamond

Today is their diamond wedding anniversary.