Complex sentence: The foundation stone of the mosque was laid by the Sultan of Selangor, Sultan Sir Alaeddin Sulaiman Shah on 23 March 1908, and the Sultan officially opened the mosque on 23 December 1909.
Split into simpler sentences: The foundation stone of the mosque was laid by the Sultan of Selangor, Sultan Sir Alaeddin Sulaiman Shah on 23 March 1908. The Sultan officially opened the mosque on 23 December 1909.