Complex sentence: Liggett & Myers continued to release new brands, in 1912 Chesterfield was reintroduced as a Turkish-Virginia blended cigarette and in 1915 Burley and Maryland tobaccos were added to Chesterfield blend.
Split into simpler sentences: Liggett & Myers continued to release new brands. In 1912, Chesterfield was reintroduced as a Turkish-Virginia blended cigarette and in 1915 Burley and Maryland tobaccos were added to Chesterfield blend.