A bicentennial marks 200 years.
A Bicentenary is a celebration of 200 years (like a 200th year birthday or anniversary. Without more specific information this applies to any celebration of 200 years eg. the Australian bicentenary, the American bicentenary etc.
bicentennial
200 years.
200 years
Their bicentenary, seeing Australia's colonisation was in 1788.
1988 we have the bicentenary of the landing of the first fleet...
It's the bicentenary (200 years) of his birth.
We are celebrating the bicentenary anniversary of the planting of the oak tree
A bicentenary is a 200th anniversary of a specific event.
Bicentenary Medal of the Linnean Society was created in 1978.
Bicentenary Medal of the Royal Society of Arts was created in 1954.
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