It arose in 1943 with the union of Dolný (first mention in 1511 Lam Inferior) and Horný Dačov Lom (first mention in 1333 Lom). In 1333, Horný Dačov Lom belonged to nobles Dobáky, in 1337 to local feudatories Dacsóy and in the 18th century to Maitheény, Balassa and Zichy.
Genealogical resources
The records for genealogical research are available at the state archive "Statny Archiv in Banska Bystrica, Slovakia"
Roman Catholic church records (births/marriages/deaths): 1792-1890 (parish B)
Lutheran church records (births/marriages/deaths): 1731-1896 (parish A)