Complex sentence: George Consider Hale (1850-1923) was fire chief in Kansas City from 1882 to 1902, during this time he competed in the World's Fair competition for firemen in Paris and London.
Split into simpler sentences: George Consider Hale (1850-1923) was fire chief in Kansas City from 1882 to 1902. During this time he competed in the World's Fair competition for firemen in Paris and London.