Complex sentence: He won his first race in 1937 at Lilirene but on 5 January 1942 was called upon to serve in the military, where he worked as a driver with the 119th General Transport Company.
Split into simpler sentences: He won his first race in 1937 at Lilirene. On 5 January 1942 was called upon to serve in the military, where he worked as a driver with the 119th General Transport Company.