1. In 1806, explorers Meriwether Lewis and William Clark arrived at the Wind River in present-day Wyoming. The two were on their way back from their cross-country expedition to the Pacific Ocean and they were the first recorded outsiders to visit the river valley.

2. In 1870, Wyoming Territory became the first jurisdiction in the United States to grant women the right to vote. This groundbreaking step was a major victory for women’s suffrage and would later inspire the national push for universal suffrage.

3. In 1906, the town of Moran in Teton County experienced a massive wildfire that burned through nearly 300,000 acres and took several months to contain. The fire was caused by a lightning strike and affected the landscape of the area for years to come.

4. In 1930, the Hoover Dam was completed in neighboring Nevada, marking a major milestone in the development of the western United States. The dam, which created Lake Mead, was a massive engineering feat that helped to control the flow of the Colorado River and provide water and electricity to millions of people in multiple states.

5. In 1975, the Jackson Lake Lodge in Grand Teton National Park hosted a historic meeting between US President Gerald Ford and the leader of the Soviet Union, Leonid Brezhnev. The meeting was part of a broader effort to thaw relations between the two superpowers during the height of the Cold War.