A centennial happens every 100 years on that specific day every 100 years. It's the 100th anniversary of something.
He was the Centennial President. Centennial= of or relating to a hundredth anniversary
The address of the Centennial Valley Branch Library is: 27 2Nd St, Centennial, 82055 0188
Centennial Flame was created in 1967.
Centennial Dome was created in 1961.
Centennial Hall was created in 1913.
Bell Centennial was created in 1978.
Centennial Collegiate was created in 2006.
Centennial College was created in 1966.
Centennial Station was created in 1993.
Centennial League was created in 1945.
Centennial Airlines was created in 1981.
Demi-Centennial was created in 1995.