Olmec Stone Mask

The Olmecs are generally considered to be the ultimate ancestor of all subsequent Mesoamerican civilizations. Thriving between about 1200 and 400 BC, their base was the tropical lowlands of south central Mexico, an area characterized by swamps punctuated by low hill ridges and volcanoes. Here the Olmecs practiced advanced farming techniques and constructed many permanent settlements. Their influence, both cultural and political, extended far beyond their boundaries; the exotic nature of Olmec designs became synonymous with elite status in other (predominantly highland) groups, with evidence for exchange of artefacts in both directions. Other than their art (see below), they are credited with the foundations of writing systems (the loosely defined Epi--Olmec period, c. 500 BC), the first use of the zero – so instrumental in the Maya long count vigesimal calendrical system – and they also appear to have been the originators of the famous Mesoamerican ballgame so prevalent among later cultures in the area.