sentences:  From the 14th Century until around 1800, Maasdam was also the name of the local administrative area, the fief and later the "ambacht".Subsequently, from 1 January 1812 until 1 January 1984, it became the name of the local municipality, which comprised the village of Maasdam and the surrounding polders.In the periods 1812 - 1817 and 1832 - 1984, the hamlet of Cillaarshoek and the hamlet and polder of Sint Anthoniepolder were also part of the municipality of Maasdam.