1. (noun) the date on which an event occurred in some previous year (or the celebration of it)

• day of remembrance

1. (noun) the date on which an event occurred in some previous year (or the celebration of it)

• bicentenary
• bicentennial
• bimillenary
• bimillennium
• birthday
• centenary
• centennial
• jubilee
• millenary
• millennium
• quatercentenary
• quatercentennial
• quincentenary
• quincentennial
• semicentenary
• semicentennial
• sesquicentennial
• tercentenary
• tercentennial
• triennial
• wedding anniversary

1. (noun) the date on which an event occurred in some previous year (or the celebration of it)

• day