 The village was established in the 16th century by a family of noblemen named Rej, who were active in spreading the Calvinist religion, and established a religious college in the village.In 1547, Rejowiec received acknowledgement (and privileges) as a town, from King Sigismund I the Old, including the right to hold two annual fairs, and an exemption from taxes for 10 years.In the 17th century the owners of Rejowiec changed, a number of times, and the Calvinist College closed.