What is another word for bicentennial?
Pronunciation: [ba͡ɪsɪntˈɛnɪəl] (IPA) 
Bicentennial is a term that refers to a momentous event that takes place every 200 years. There are several synonyms for this word, including sesquicentennial, quasquicentennial, and tercentenary. A sesquicentennial is an event that occurs every 150 years, while a quasquicentennial is an event that takes place every 125 years. A tercentenary, on the other hand, is an event that happens every 300 years. Other terms that are closely related to bicentennial include milestone, century mark, and anniversary. Regardless of the specific word used, these terms all convey the sense of a major historical event that is worth celebrating and remembering.
