Complex sentence: Wellingborough School's Combined Cadet Force has a long and distinguished history, having been established in November 1900; on the occasion of its centenary in 2000, the Annual Inspection was covered by BBC television.
Split into simpler sentences: Wellingborough School's Combined Cadet Force has a long and distinguished history. Established in November 1900, on the occasion of its centenary in 2000 the Annual Inspection was covered by BBC television.