Datas absolutas para os menhires do Alentejo - Portugal

In this paper we will present the latest results chronometric and their contexts of the main menhirs northern Alentejo in Portugal. The date now obtained for the Menhir of Patalou, located in Nisa municipality, (Cal BC 4340-4235) confirms that for more than two decades, in a similar context, we obtained the Menhir of the Meada, located in the Castelo de Vide municipality, (Cal BC 4810-5010) and so many doubts and controversies raised in view of its great antiquity. They position themselves in this way and safely in the old Neolithic the erection of these great phallic monuments.