Complex sentence: Construction began in late 1925 and opened on 16 July 1927, the Romney, Hythe & Dymchurch Railway was the dream of millionaire racing drivers Captain J.E.P. Howey and Count Louis Zborowski.
Split into simpler sentences: Construction began in late 1925 and the railway opened on 16 July 1927. It was the dream of millionaire racing drivers Captain J.E.P. Howey and Count Louis Zborowski.