1. relating to a 200th anniversary

1. a 200th anniversary or its celebration

Examples

• The town held a bicentennial parade to celebrate its founding.
• America’s bicentennial was celebrated in 1976.
• The university is planning special events for its bicentennial year.
• The bicentennial celebration lasted for several months.
• They issued commemorative coins for the bicentennial.
• The bicentennial of the Constitution was marked with ceremonies nationwide.