Complex sentence: Pinsk fell to the Russian Empire in 1793 in the Third Partition of Poland, became part of Poland in 1920 after the Polish-Soviet War and was incorporated into Soviet Union in 1939.
Split into simpler sentences: Pinsk fell to the Russian Empire in 1793 in the Third Partition of Poland. Pinsk became part of Poland in 1920 after the Polish-Soviet War and was incorporated into Soviet Union in 1939.