Climate and Innovation: The Norse and the Aztecs, c. 790–1521 · THE MAP IN
Map of the Aztec Empire in 1499
Ahuitzotl’s conquests — and the flood
The Aztec Empire in 1499: Ahuitzotl’s conquests — and the flood. Since 1481, 5 territories changed status on this map: including The Huasteca (Tochpan, Tzicoac, Atlan, Oxitipan), Coyolapan and the Valley of Oaxaca, Cihuatlan and the Pacific coast and 2 more.
WW2 is free — every chapter. Try chapters 1–2 of any 2 other atlases (3 with a free account). Opening a new atlas uses one of them. Membership opens all 21 — Join.
Free printable Norse and Aztecs study guide, sent by email ↓

What changes on the map
| The Huasteca (Tochpan, Tzicoac, Atlan, Oxitipan) | Other peoples and states → Tributary provinces of the Triple Alliance |
| Coyolapan and the Valley of Oaxaca | Other peoples and states → Tributary provinces of the Triple Alliance |
| Cihuatlan and the Pacific coast | Other peoples and states → Tributary provinces of the Triple Alliance |
| The Tarascan frontier (Oztuma, Teloloapan, Alahuiztlan) | Other peoples and states → Strategic client provinces on the frontiers |
| Tehuantepec | Other peoples and states → Strategic client provinces on the frontiers |
Related maps
THE FREE PRINTABLE STUDY GUIDE
Join the Dispatch — a short welcome series, then a letter when a new atlas opens — and the printable study guide for Climate and Innovation is yours now, free.
NO TRACKING · YOUR ADDRESS IS USED FOR THE DISPATCH AND NOTHING ELSE · UNSUBSCRIBE ANYTIME