The Islamic founding of Talamanca Historical milestone · Talamanca de Jarama, Cuenca del Medio Jarama, Madrid Image of Talamanca de Jarama, not of the place itself. The emir Muhammad I ordered a stronghold to be raised before the year 860 to watch over the Somosierra pass. In the 11th century the villa had a school of Koranic jurisprudence that came to rival those of Córdoba and Toledo. siglo IX Photo: Cruccone (CC BY 3.0) What to see and do in Talamanca de Jarama