quincentennial

/ˌkwɪnsɛnˈtɛniəl/
adjective
  1. Relating to a period of 500 years or a 500th anniversary.
    • The quincentennial celebration included a fireworks display over the harbor.
    • Scholars organized a quincentennial conference on the Renaissance.
    • The town planted a special garden for its quincentennial year.
noun
  1. A 500th anniversary or its celebration.
    • The quincentennial was marked by a week of cultural events.
    • They released a commemorative coin for the nation's quincentennial.
    • The quincentennial of the cathedral's construction drew visitors from around the world.
Synonyms
What does "quincentennial" mean? | whatsthatwordmean | whatsthatwordmean