Complex sentence: On January 21,2012, Ivor Wynne hosted an AHL regular season game between the Toronto Marlies and Hamilton Bulldogs, the first outdoor game in Canada in the league's history and the fourth in an annual series of outdoor AHL games.
Split into simpler sentences: On January 21,2012, Ivor Wynne hosted an American Hockey League regular season game between the Toronto Marlies and Hamilton Bulldogs. It was the first outdoor game in Canada in the league's history and the fourth in an annual series of outdoor AHL games.