The origins of Lubomierz are unclear. It’s possible that a trading settlement was already established there in the 12th century, while in the 13th century the land became the property of the von Liebenthal family.

In 1278, Jutta von Liebenthal founded a Benedictine Convent which became the landlord of Lubomierz and the surrounding villages. In the ensuing centuries the nuns extended their estate and it’s estimated that they eventually owned 17- 19 villages. The convent had jurisdiction over the local townspeople and could influence the composition of the municipal authorities. In around 1291, Bolko I the Strict, the Duke of Swidnica and Jawor, granted Lubomierz a town charter. The rights obtained by the town included being able to build defensive walls, brew beer, trade in salt and organize fairs although it's growth was often interrupted by fires, epidemics and wars.

The Museum “Kargul and Pawlak“ - a "must see" in Lubomierz was established in 1995 and located on the main street in a fine example of a 16th century merchant's home. In one of the rooms hang posters that once heralded the trilogy Checinski New Year’s Eve , the doll stand of Kargul and Pawlak , which can be seen in motion during the National Comedy Film Festival  and other memorabilia connected with the popular television series Sami Swoi.

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