Two centuries ago, Paris, a city with a population of half a million, barely extended beyond its medieval footprint. São Paulo was still largely a small trading outpost for gold and exploration expeditions. And Los Angeles was just a pueblo of a few dozen buildings.
This goes ahead to the Religion Unit, but it is a good visual on hearth and diffusion. Granted, it is missing Sikhism and other religions.....Maps-of-War is a multimedia site dedicated to producing diverse, creative visuals that enhance our understanding of war and its history.
There's a lot of good information and visuals about population and emergent technologies in this letter, and it has a cool layout. Definitely worth reading.
While sort of basic, this was helpful for my visual learners and students still not grasping what Climate Change can look like. Click on the four different themes (increasing temp, rising sea level what ifs, etc.).
GDELT Global Dashboard Provided through the support of the United States Institute of Peace, this highly experimental prototype dashboard offers an overview of global protests (pink) and conflict (red) across the entire world, as monitored by the GDELT Project, combining a rolling animated map of the past 180 days (visualizing macro-level spatial patterns) with a clickable map of major events monitored over the past 24 hours, updated each morning by 6AM EST.