Complex sentence: The community was brought into the world econly in 1891 when the Calgary & Edmton Railway came to the area, it stopped on the southside of the river and brought the community of South Edmotnon (later Strathcona) into existence.
Split into simpler sentences: The community was brought into the world economy in 1891 when the Calgary & Edmonton Railway came to the area. It stopped on the southside of the river and brought the community of South Edmonton (later Strathcona) into existence.