Mogilev Governorate
Kastsyukovichy was first mentioned in a chronicle in 1508. It belonged to Poland, and in 1772, as a result of the First Partition of Poland, it was transferred to Russia. In the middle of the 19th century it had a population of 1700 and was the administrative center of Kostyukovichskaya Volost of Klimovichsky Uyezd, Mogilev Governorate. In 1919, Mogilev Governorate was abolished, and Kastsyukovichy was transferred to Gomel Governorate. On July 17, 1924 the governorate was abolished, and Kastsyukovichy became the administrative center of Kastsyukovichy Raion, which belonged to Kalinin Okrug of Byelorussian Soviet Socialist Republic. In July, 1927, Kalinin Okrug was abolished, and Kastsyukovichy was transferred into Mogilev Okrug. On January 15, 1938 the raion was transferred to Mogilev Region. In 1938, Kastsyukovichy was granted the town status. During the Second World War, the town was occupied by German troops and severely damaged.