Complex sentence: The City of Birmingham Polytechnic was designated in 1971 and later on became the University of Central England in Birmingham in 1992 (and, in 2007, Birmingham City University).
Split into simpler sentences: The City of Birmingham Polytechnic was a polytechnic college in Birmingham, England, designated in 1971. It later became the University of Central England in Birmingham in 1992 (and, in 2007, Birmingham City University).