Difference between Bicentennial and Bicentenary

What is the difference between Bicentennial and Bicentenary?

Bicentennial as a noun is the 200th anniversary of an event or happening. while Bicentenary as a noun is a two-hundred year anniversary

Part of speech: adjective

Definition: Relating to the 200th anniversary of an event or happening. Occuring every two-hundred (200) years

Part of speech: noun

Definition: The 200th anniversary of an event or happening.

Part of speech: noun

Definition: a two-hundred year anniversary

We hope you now know whether to use Bicentennial or Bicentenary in your sentence.