anniversary

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the date on which an event occurred in some previous year (or the celebration of it) (Freq. 5)
• Syn:
day of remembrance
• Hypernyms:
day
• Hyponyms:
birthday, jubilee, wedding anniversary, semicentennial, semicentenary,
centennial, centenary, sesquicentennial, bicentennial, bicentenary, tercentennial,
tercentenary, triennial, quatercentennial, quatercentenary, quincentennial, quincentenary,
millennium, millenary, bimillennium, bimillenary