Complex sentence: Kinnaird, originally incorporated as a village on December 6,1951, became a town on August 5,1967 and then amalgamated with the Town of Castlegar on January 1,1974 to form the City of Castlegar.
Split into simpler sentences: Kinnaird, originally incorporated as a village on December 6,1951, became a town on August 5,1967. It then amalgamated with the Town of Castlegar on January 1,1974 to form the City of Castlegar.