Mexican Archaeologists Find Ancient Staircase at Tlatelolco, May Confirm First Building

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MEXICO CITY.- When looking for archaeological elements of the first constructive stage of Tlatelolco, to confirm a foundation date, researchers of the National Institute of Anthropology and History (INAH) found at Templo Mayor (Main Temple) a staircase that gave access to a shrine that dates from the earliest architectural stage, as well as a stuccoed floor, probably dated between 900 and 1200 of the Common Era. The finding may confirm the moment when the first building of Tlatelolco, the twin city of Tenochtitlan, was established, informed archaeologist Lucia Sanchez, director of the archaeological zone. According to ethno-historical sources such as official chronicles of Fray Diego de Duran and Padre Acosta, the foundation of Tlatelolco took place in 1337, while Tenochtitlan was founded in 1325. Other sources like Historia Tolteca-Chichimeca and Mapa de Sigüenza, report that Tlatelolco was created before or at the same tim