quadricentennial
English
Etymology
From quadri- + centennial.
Adjective
quadricentennial (not comparable)
- Relating to a 400th anniversary.
Noun
quadricentennial (plural quadricentennials)
- A 400th anniversary.
- 2011, Robert Alexander González, Designing Pan-America, page 54:
- The Cayuga fairground proposal recalled other Pan-American heritage themes that emerged with the quadricentennials. There was mention of a theme area on the island where reproductions of ancient structures of the Americas would be juxtaposed with reproductions of the birthplaces of U.S. American historical figures.