Chera maritime trade networks of Early Historic South India (c. 3rd century BCE–3rd century CE)

1. Chera coast enters wider Indian Ocean exchange

   Jan 1, 300 BCELabels: Malabar Coast, Chera polity

   • Britannica
   • Kerala Archaeology

2. Tamil-Brahmi writing spreads through trade-linked regions

   Jan 1, 200 BCELabels: Tamil-Brahmi, South India

   • Mahadevan
   • ASi Journal

3. Inland routes link the Chera coast to the interior

   Jan 1, 100 BCELabels: Inland routes, Malabar Coast

   • Oxford ORE
   • JRA Muziris

4. Strabo describes expanding Red Sea–India navigation

   Jan 1, 20Labels: Strabo, Red Sea

   • Strabo
   • Sidebotham

5. Periplus lists Muziris as a major emporium

   Jan 1, 50Labels: Periplus, Muziris

   • Periplus UW
   • Periplus Casson

6. Pliny reports heavy Roman spending on Indian imports

   Jan 1, 77Labels: Pliny the, Roman Empire

   • Pliny UChicago
   • AJR analysis

7. Sangam poems portray Muchiri/Muziris as an export port

   Jan 1, 150Labels: Sangam literature, Muziris

   • Muziris Sangam
   • Purananuru

8. Muziris Papyrus shows financing and taxation of the route

   Jan 1, 150Labels: Muziris Papyrus, Alexandria

   • Select Papyri
   • De Romanis

9. Roman-style portrait coins appear in Chera territory

   Jan 1, 200Labels: Chera coinage, Roman portrait

   • Kotai coins
   • Chera overview

10. Pattanam archaeology documents long-distance port trade

    Jan 1, 200Labels: Pattanam, Kodungallur

    • Kerala Archaeology
    • JRA Muziris

11. Shifts in regional power reshape port access

    Jan 1, 250Labels: Sangam conflicts, Regional powers

    • Muziris Sangam
    • Kulke Rothermund

12. Early Historic Chera maritime system transitions

    Jan 1, 300Labels: Chera transition, Early Historic

    • Chera dynasty
    • Kerala history