Complex sentence: Władysław Raginis (June 27,1908--September 10,1939) was a Polish military commander during the Polish Defensive War of 1939 of a small force holding the Polish fortified defense positions against a vastly larger invasion during the Battle of Wizna.
Split into simpler sentences: Władysław Raginis (June 27,1908--September 10,1939) was a Polish military commander during the Polish Defensive War of 1939. He commanded a small force holding the Polish fortified defense positions against a vastly larger invasion during the Battle of Wizna.