Rózsaszentmárton is a village in Heves County, Hungary, beside of the Ágó creek, under the Mátra mountain ranges.

In 1325 King Charles I it given to Demeter Nekcsei [hu], but in 1414 owned by the Jákófi and Fedémesi families already.

Grassalkovich built the Roman Catholic church of the village in 1780 and the parish house in 1800.

In 1873 the cholera, than in 1889 the phylloxera destroyed the population and grapes.The first lignite mine started in 1890, but its bankcrupted.

The memory of the mining is preserved in the Lignite Mining Memorial House, the entrance of the Ursitz [hu] shaft, the E-303 excavator monument and the tradition of the Miner's Day and the Barbara Day.