- Diamond wedding anniversary - Next in order after the fifty-ninth. - Constituting or being one one of sixty equal parts into
which anything is divided. - The quotient of a unit divided by sixty; one of sixty
equal parts forming a whole. - The next in order after the fifty-ninth; the tenth after
the fiftieth.
- Major birthday for many early boomers in the coming decade - Ordinal term applying to LXXX - The next in order after seventy-ninth. - Consisting of one of eighty equal parts or divisions. - The quotient of a unit divided by eighty; one of eighty
equal parts.
- Next in order after the eighty-ninth. - Constituting or being one of ninety equal parts. - The quotient of a unit divided by ninety; one of ninety
equal parts of anything. - The next in order after the eighty-ninth.
- Rarest of wedding anniversaries as marked by platinum - Next in order after the sixty-ninth; as, a man in the
seventieth year of his age. - Constituting or being one of seventy equal parts. - One next in order after the sixty-ninth. - The quotient of a unit divided by seventy; one of
seventy equal parts or fractions.