history news

The political boundaries of North America have gone through many changes. As part of New Spain, Central America was known as the Captaincy General of Guatemala, or the Kingdom of Guatemala. The territory of Mexico used to contain the entire southwestern United States, and extended as far north as th...

A new Web App, 1918 National Parks and Monuments, is now live on ASU Geodata. This App digitizes a map of the National Park and Monument system in its infancy and overlays it across a modern map of the United States, allowing the user to explore the NPS two years after its creation. ...

The United States National Park Service (NPS) currently administers 63 National Parks and 85 National Monuments, among the astonishing 423 total areas managed by the agency. That scope wasn’t always so large. In the years after its 1916 inception, the NPS oversaw only a small fraction of the nationa...

A new web map, 1959 World Less Polar Regions, is now live on ASU GeoData. The web map indexes a newly digitized series of maps produced by the Army Map Service in 1959. The maps depict the world at the small scale of 1:11,000,000, while featuring many interesting features and some peculiarities. ...

In 1898, Cuba was in the midst of a bloody war for independence from Spain that had been raging for three years. American public opinion swayed dramatically towards support through the 1890s, especially with American journalists fully embracing Yellow Journalism to exaggerate and embellish the atroc...

Salt River Valley, Arizona, 1934. Cartography by T.A. Hayden. In 1934, the Phoenix valley was mostly farmland thanks to the incredibly successful damming of the Salt River with the Roosevelt Dam via the Salt River Project i...

The Grand Canyon is one of the modern natural wonders of the world. It’s been mapped countless times over the years, and is the second most visited national park in the United States. However, the mapping history of the Grand Canyon is relatively young; the first USGS quadrangle maps of the Canyon w...

One hundred and sixty one years ago, the American Civil War was raging all across the country. During the height of this conflict, The Territory of Arizona was officially established in February of 1863. Efforts to create the Arizona Territory had been ongoing since at least 1856, with a few maps sh...

Our July Map of the Month is this 1934 “National Forests, State Forests, National Parks, National Monuments, and Indian Reservations” by the U.S Department of Agriculture and the U.S Forest Service. This historic map acts as a point of reference to compare how much land in the United States has been...