Olmec florescence wanes by about 400 BCEJan 1, 400Labels: Olmec heartland, Colossal headsWHEWikipedia
Later colossal-head production continues into 1000–400 BCEJan 1, 600Labels: Tres Zapotes, La CobataWikipediaCabeza colosal
Tres Zapotes emerges amid Olmec regional shiftsJan 1, 850Labels: Tres Zapotes, Regional shiftTres ZapotesWikipedia
San Lorenzo destroyed; heads buried by ~900 BCEJan 1, 900Labels: San Lorenzo, Colossal headsBritannicaWikipedia
San Lorenzo colossal heads produced and displayedJan 1, 1000Labels: San Lorenzo, Early PreclassicBritannicaWikipedia
Basalt boulders sourced in Sierra de los TuxtlasJan 1, 1100Labels: Sierra de, Cerro CintepecWikipediaWHE
First recorded discovery: Tres Zapotes head (Melgar)Jan 1, 1862Labels: Tres Zapotes, Jos MarTres ZapotesPenguin
Stirling’s 1939 work begins with Tres Zapotes headJan 1, 1939Labels: Smithsonian, Tres ZapotesNature 1946
Parque-Museo La Venta inaugurated in VillahermosaMar 4, 1958Labels: Parque-Museo La, Carlos PellicerParque MuseoVisitTabasco