Complex sentence: The foundation stone of the bridge was laid by the Lord Provost Edward W. Watt on 15 th September 1938 and opened by Queen Elizabeth in the presence of King George VI on 10 th March 1941.
Split into simpler sentences: The foundation stone of the bridge was laid by the Lord Provost Edward W. Watt on 15 th September 1938. It was then officially opened by Queen Elizabeth in the presence of King George VI on 10 th March 1941.