Complex sentence: The heritage traces back through a history of joint ventures, mergers and acquisitions to the year 1926, when the oldest commercial corporation in North America, Hudson's Bay Company, co-founded Hudson's Bay Oil and Gas Company (HBOG) with Marland Oil Company.
Split into simpler sentences: The heritage traces back through a history of joint ventures, mergers and acquisitions to the year 1926. A year, when one of the oldest commercial corporation in North America, Hudson's Bay Company, co-founded Hudson's Bay Oil and Gas Company (HBOG) with Marland Oil Company.