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Cross-Regional Contacts of Amazonian Chiefdoms

Type Event Region South America Time 1000–1500

Around 1408 CE, complex chiefdoms across the Amazon Basin maintained cross-regional political and economic ties through river transport, gift exchang…

Timeline

  1. 1400–1408Marajó Island · Amazon estuaryArchaeology on Marajó Island reveals large mound settlements, fine black pottery, and numerous tombs, indicating a stratified chiefdom society. Islanders exchanged black pottery, red ochre, and feather goods with inland groups via the lower Amazon, sustaining cross-regional alliances.
  2. 1408–1450Upper Amazon Basin · AmazonTerra preta settlements along tributaries such as the Xingu and Negro maintained intermittent contact with Marajó and Andean fringe groups, exchanging ground stone axes, pottery, and plant resources, forming a polycentric interaction network within the Amazon rather than a single imperial structure.

Sources