quatercentennial

/ˌkwɑtərˌsɛnˈtɛniəl/
adjective
  1. Relating to a 400th anniversary.
    • The quatercentennial parade featured floats from every decade.
    • The museum opened a quatercentennial exhibit about the town's history.
    • They released a commemorative coin for the quatercentennial event.
noun
  1. A 400th anniversary or its celebration.
    • Many alumni returned for the college's quatercentennial celebration.
    • The university published a special book to mark its quatercentennial.
    • The city is planning a huge festival for its quatercentennial.
Synonyms
What does "quatercentennial" mean? | whatsthatwordmean | whatsthatwordmean