Complex sentence: In 1349, the region of Halychyna (Galicia) became part of the Kingdom of Poland, and as Ruthenian Voivodeship, remained in Poland until 1772 (see Partitions of Poland).
Split into simpler sentences: In 1349, the region of Halychyna (Galicia) became part of the Kingdom of Poland. As a part of Ruthenian Voivodeship remained in Poland from 1434 until 1772 (see Partitions of Poland).