Haelen was home to 374 people in 1840. Until it became a part of Leudal on 1 January 2007 Haelen was a separate municipality, and included the villages of Buggenum, Horn, and Nunhem.
Haelen was home to 374 people in 1840 Until it became a part of Leudal on 1 January 2007 Haelen was a separate municipality, and includ.ed the villages of Buggenum, Horn, and Nunhem.