Before 100 AD
- Prehistory → Early human settlement and megalithic remains in the Kodagu region.
- Megalithic Kodagu → Megalithic burial sites and monuments indicate established communities in the region centuries before written records.
- Sangam-era Kodagu → Early Tamil literature provides references to the wider Western Ghats and neighbouring hill regions associated with present-day Kodagu.
- Karkanadu → The eastern hill country known as Karkanadu encompassed parts of present-day Kodagu and Wayanad.
- Ezhimala Influence → The Ezhimala polity in northern Kerala exercised influence over parts of the wider Karkanadu region.
- Early Trade Networks → Kodagu's location between the Karnataka highlands and Malabar coast connected the region to emerging inland and coastal trade routes.
- Early Medieval Beginnings → The historical record gradually becomes stronger through inscriptions and records from the early medieval period
