Historical Geography

Historical geography is a branch of geography that explores how geographical phenomena have evolved over time.

Black and white Map from 1924 created by the US Post Office Department showing the First Transcontinental Air Mail Route stretching from New York to San Francisco.

Using Giant Arrows to Guide Airmail Flights

Caitlin Dempsey

The Transcontinental Airway System was created to aid midnight airmail trips long before radio navigation and Global Navigation Systems (GPS) were invented to assist in air flying.

Cassiodorus book

Review | The Selected Letters of Cassiodorus: A Sixth-Century Sourcebook

G.T. Dempsey

A millennium and a half ago, or so, if you wanted to break away from the western Roman Empire, you simply called in the barbarians.

Artificial Intelligence Was Used to Discover a New Nasca Line

Caitlin Dempsey

Researchers tested out the use of artificial intelligence to assist with finding new Nasca lines.

Himalayan Glacier Melt Mapped By Analyzing Old Spy Photographs

Katarina Samurović

Declassified Cold War-era spy satellite photographs have shown how much the melting of hundreds of Himalayan glaciers has accelerated in recent decades.

Review | Medieval Ireland

G.T. Dempsey

Medieval Ireland is Clare Downham's comprehensive synthesis of the current state-of-play of the history of medieval Ireland, 400-1500 A.D.

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