Commemoration /(?)/

Com·mem·o·ra·tion

Commemoration

n.
  1. The act of commemorating; an observance or celebration designed to honor the memory of some person or event.
    This sacrament was designed to be a standing commemoration of the death and passion of our Lord.
    — Abp. Tillotson.
    The commonwealth which . . . chooses the most flagrant act of murderous regicide treason for a feast of eternal commemoration.
  2. Whatever serves the purpose of commemorating; a memorial.

Phrases & Compounds

Commemoration day
at the University of Oxford, Eng., an annual observance or ceremony in honor of the benefactors of the University, at which time honorary degrees are conferred.