Complex sentence: He became second lieutenant at the Uppland Infantery Regiment (I 8) in 1930 and studied at the War College from 1935 to 1937 and the Prussian Military Academy in Berlin from 1938 to 1939.
Split into simpler sentences: He became second lieutenant at the Uppland Infantery Regiment (I8) in 1930. He studied first at the War College from 1935 to 1937, and later at the Prussian Military Academy in Berlin from 1938 to 1939.