ANNIVERSARY
ADJECTIVES
1884 — QUINCENTENNIAL pert. to a 500th anniversary
NOUNS
1390 — YEAR-DAY an anniversary; a day observed every year in commemoration of a person or event → obs. exc. Hist.
1588 — QUINQUAGENARY a 50th anniversary
1624 — SILVER BRIDAL a 25th wedding anniversary; silver marriage → obs.
1625 — ANNIVERSE an anniversary → obs.
1796 — SILVER FEAST a 25th wedding anniversary; silver wedding
1856 — QUADRENNIAL a 4th anniversary, or its celebration; an event happening every four years
1879 — QUINCENTENARY a 500th anniversary or the celebration of this
1882 — QUADRICENTENNIAL a 400th anniversary
1883 — QUATER-CENTENARY a 400th anniversary, or the celebration of this
1884 — QUINGENTENARY a 500th anniversary or the celebration of this
1889 — DECENNIAL a 10th anniversary or its celebration
1889 — OCTOCENTENARY a 800th anniversary of an event
1893 — OCTINGENTENARY a 800th anniversary of an event
Lexicophilia 