Complex sentence: Mrs. Tyler bequeathed the main house and of the estate to Temple University in 1963, which sold it to Bucks County in 1965 to create the campus for Bucks County Community College.
Split into simpler sentences: Mrs. Tyler bequeathed the main house and of the estate to Temple University in 1963. This was sold to Bucks County in 1965 to create the campus for Bucks County Community College.