Complex sentence: A port was built in 1819 at Port Carlisle and in 1821, the eleven and a half mile long Carlisle Navigation Canal was built to take goods to Carlisle.
Split into simpler sentences: A port was built in 1819 at Port Carlisle and in 1821, the eleven and a half mile long Carlisle Navigation Canal. Ramshaw, Page 1 was built to take goods to Carlisle.