Complex sentence: Before 1945 the area was part of Germany, and bordered the Polish corridor to the West from 1918 to 1939, during the Invasion of Poland, a small garrison was placed in the village, who joined the attack on Gniew.
Split into simpler sentences: Before 1945 the area was part of Germany, and bordered the Polish corridor to the West from 1918 to 1939. During the Invasion of Poland, a small garrison was placed in the village, who joined the attack on Gniew.