Our school is fifty years old.
Our company had the fortieth anniversary of the foundation.
Mr Smith founded this school forty years ago.
Our school is 80 years old.
This company was established in 1930.
That hotel was established about 50 years ago.
He founded the school five years ago.
The college was founded by Mr Smith.
My grandfather founded and my parents developed this company.
This college was established in 1910.