Complex sentence: Since its incorporation in 1885, Missoula, Montana has been one of the primary media markets in the state of Montana, beginning with the weekly newspaper the "Missoula and Cedar Creek Pioneer".
Split into simpler sentences: Since its incorporation in 1885, Missoula, Montana has been one of the primary media markets in the state of Montana. Beginning with the weekly newspaper the "Missoula and Ceder Creek Pioneer".