One hundred second anniversary.
a bicentennial
a bicentennial
A 100th wedding anniversary is called a "diamond" anniversary.
It is called "one hundred million".
bicentenary
A three-hundred-year celebration is called a tricentennial.
bicentennial
A one hundredth anniversary is called a centenary,centennial
A period of 600 years is often referred to as a sexcentenary.
One hundred second anniversary.
Two hundred year anniversary, but that's not "one word".
A hundred year anniversary is called a centennial or a centenary.
A 70th Anniversary is called a Platinum.
No, there is only one for a full one hundred year-period, the 'centennial'.
It is called silver or silver year.
a bicentennial