centenary
centennial
A one hundredth anniversary is called a centenary,centennial
The one hundredth anniversary of something.
Sesquicentennial
Centaped
centenary, centennial
centenary, centennial
centennial, centenary
bicentennial
The tower was completed in 1889 for the World's Fair, which was held to mark the one hundredth anniversary of the French Revolution.
One one-hundredth of a gram is called a centigram.
A century or a centennial
Bicentennial