Every 200 years.
look up the definition of bicentennial
Every 200 years.
Every 200 years
A bicentennial is the 200th anniversary of anything. For example, the American Bicentennial was 1976, the bicentennial of Abraham Lincoln's birth is 2009.
Bicentennial or bicentennially
A bicentennial day is the 200th anniversary of a significant event (often the founding of a city), so the one specified celebrates something that happened on April 30, 1812.
Bicentennial means "200th anniversary".
Bicentennial
Bicentennial means 200 years old. We celebrated our country's bicentennial last year.
A bicentennial celebrates 200 years of something.
Bicentennial Tower was created in 1996.
Bicentennial events celebrate the 200th anniversary of significant historical milestones. Notable examples include the United States Bicentennial in 1976, which featured parades, fireworks, and various cultural festivities across the country. Other bicentennial celebrations have marked the founding of cities, such as Philadelphia's bicentennial in 1982, and the 200th anniversaries of notable institutions or historic documents, like the U.S. Constitution. These events often emphasize heritage, community engagement, and reflection on the past while looking forward to the future.