Recognized as the headquarters of the Military Orders of the Temple of Christ, Tomar has a history of over 30,000 years, since the first human settlement to the present day. In the year 1160, D. Gualdim parents founded Tomar and as headquarters of the Orders of the Temple and Christ, Prince Henry was the one responsible for its growth.

The recognition of human settlement comes from pre-history whose traces have dolmens, caves, villages, utensils, tombstones, coins, sculptures and utilitarian pieces. In Roman times, it was here founded the city of Sellium or Seilium that was typical of this period with the characteristic axes cardus and decumanus and along with the ruins of Sellium Forum, which after excavations traces of habitations were found. In this area, there is a convent of the Visigoth era that housed nuns and friars here and runs the legendary martyrdom of Santa Iria.

When Arab occupation, the region is named “Tamarama”, fresh water, and in 1160, Thomar born with its castle, whose construction was ordered by the Knights Templar. In the fourteenth century, Prince Henry remains in the village as Administrator of the Order of Christ, generating a great development, obtaining a new charter, calling attention of architects and painters Domingos Vieira Serrão, João de Castilho, Olivier de Gand, Fernando Muñoz, Diogo de Arruda, Gregory Lopes, João de Rouen and Diogo Torralva who turned Taking an artistic center.