Complex sentence: Edmonton was a former federal electoral district represented in the Canadian House of Commons, and located initially in the Northwest Territories, and following its creation in 1905, the province of Alberta (although between 1905 and 1907 there was still a Saskatchewan riding named Edmonton).
Split into simpler sentences: Edmonton was a federal electoral district represented in the Canadian House of Commons. It was located initially in the Northwest Territories, and following its creation in 1905, the province of Alberta (although between 1905 and 1907 there was still a Saskatchewan riding named Edmonton).