Complex sentence: He left Scunthorpe United on 1 June 1966 and then became a manager for the New York Generals and Brighton and Hove Albion, before becoming manager of First Division club Birmingham City.
Split into simpler sentences: He left Scunthorpe United on 1 June 1966. He then became a manager for the New York Generals and Brighton and Hove Albion, before becoming manager of First Division club Birmingham City.