Complex sentence: Dreadnaut were formed in 2003 in Northern Canada and soon moved to the nearest urban center of Winnipeg, Manitoba, where they made their live debut at the "The Zoo Cabaret".
Split into simpler sentences: Dreadnaut were formed in 2003 in Northern Canada and soon moved to the nearest urban center of Winnipeg, Manitoba. Upon arrival, Dreadnaut made their live debut at the "The Zoo Cabaret".