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Visit our new Education Section

Explore the ​Oregon Trail in the first of an upcoming series of education packages on WyoHistory.org. This first in-depth package includes articles, detailed maps, lesson plans for field trips to the historic sites, videos and interactive quizzes about the Oregon, California, Mormon and Pony Express trails. 
​Read more about the Oregon Trail | Visit the Education Page

Latest Articles

Aerials to Zephyrs: A Brief History of the Casper Army Air Base

Encyclopedia | The Casper Army Air Base was built quickly in 1942 to train bomber crews for World War II combat. The facility trained more than 16,000 men before the end of the war. Its population grew to a third of the size of Casper’s, bringing prosperity and a lively social life to the town. The base... Read More »

Coal Slurry: an Idea that Came and Went

Essay | The highly controversial ETSI coal slurry pipeline, proposed in the 1970s to move millions of tons coal from Wyoming’s Powder River Basin to power plants Oklahoma, Arkansas and Louisiana, was never built, due to falling 1980s energy prices and stiff opposition from railroad companies. Read More »

Wyoming’s Uranium Drama: Risks, Rewards and Remorse

Encyclopedia | The story of uranium in Wyoming is a high-stakes drama whose cast includes fever-driven prospectors, ranchers defending their property rights, government officials intent on national security, entrepreneurs, engineers and world-class mining companies. Read More »

Clarence D. Clark, Longtime U.S. Senator

Encyclopedia | Evanston lawyer Clarence Clark became Wyoming’s first congressional representative in 1890. In 1895, the legislature elected him to the U.S. Senate. Sen. F. E. Warren, Rep. Frank Mondell and Clark made an all-Republican congressional triumvirate for more than two decades until Clark lost to... Read More »

Connor’s Powder River Expedition of 1865

Encyclopedia | On Aug. 29, 1865, troops under Brig. Gen. Patrick E. Connor attacked an Arapaho village near present Ranchester, Wyo. Connor’s detachment was part of a large expedition ordered to subjugate the warring Cheyenne, Sioux and Arapaho in the Powder River Basin. Overall success was mixed. Connor... Read More »

Thyra Thomson, Wyoming Secretary of State 1963-1987

Oral Histories | The popular Republican Thyra Thomson served as Wyoming’s secretary of state from 1963 to 1987, when she retired. While in office, Thomson witnessed the continuing presence of gender discrimination in the Equality State, and became a fierce advocate for equal rights. She died in Cheyenne June... Read More »

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