Start of Classic period in Maya lowlandsJan 1, 250Labels: Classic period, Maya lowlands, Elite courtsBritannicaMet Museum
Early Classic Río Azul tomb vessels linked to cacaoJan 1, 450Labels: R o, Ceramic vessels, Residue analysisAmerican AntiquityAmerican Antiquity PDF
Cacao term appears in Classic vessel textsJan 1, 500Labels: Kakaw, Primary Standard, Drinking vesselCambridge CoreLACMA
Late Classic period expansion of courtly cacao servicewareJan 1, 600Labels: Late Classic, Courtly serviceware, Feasting ritualCambridge CoreLACMA
Classic Maya marketplaces support commodity exchangeJan 1, 600Labels: Buenavista del, Plaza marketplace, Belize RiverBuenavista CayoFrontiers 2025
Residential cacao consumption evidenced at El PilarJan 1, 700Labels: El Pilar, Residential contexts, Biomarker analysisPNAS PMC
Cacao as a traded elite commodity in Classic networksJan 1, 700Labels: Trade networks, Ports, Riverine transportMaritime TradeFrontiers 2025
Late Classic household market exchange intensifiesJan 1, 750Labels: Household markets, Regional production, Standardized goodsJ Anthropol ArchFrontiers 2025
Terminal Classic political disruptions affect exchangeJan 1, 800Labels: Terminal Classic, Political disruption, Tribute relationsMet MuseumBritannica
Conventional end of Classic period timeframeJan 1, 900Labels: Classic period, 900 CE, Lowland analysisMet MuseumBritannica
Cacao residue methods expand to earlier Maya contextsJul 18, 2002Labels: Residue methods, HPLC-MS, Analytical chemistryNature PubMedScience News
Biomarker specificity debates refine cacao identificationJan 1, 2014Labels: Biomarker debate, Method protocols, Multi-compoundJ Archaeol SciPNAS PMC