1. Wyoming Became a State: On September 14, 1890, Wyoming officially became the 44th state of the United States. This was a historic moment for Wyoming as it was the first state to grant women the right to vote, making it known as the “Equality State.”

2. The Johnson County War Begins: On September 14, 1892, the Johnson County War began in Buffalo, Wyoming. The battle was between big cattle companies and small ranchers, with the latter group seeking better control over their land and livelihood. The war lasted for several days and resulted in multiple casualties.

3. Upton Sinclair’s Visit: On September 14, 1934, Upton Sinclair, the famous socialist writer, visited Sheridan, Wyoming, as part of his campaign for governor of California. This visit was notable as it was the first time a socialist had made a significant political campaign in the state.

4. Wildfire in Yellowstone National Park: On September 14, 1988, a wildfire started in Yellowstone National Park that would eventually burn 793,880 acres of the park. The wildfire was one of the largest in the park’s history, and it raged on for months before finally being brought under control.

5. First Female State Senator: On September 14, 1954, Theresa Jimison became the first female state senator to serve in Wyoming’s Legislature. Jimison was a Republican from Sheridan, and she served in the Wyoming Senate until 1960, championing women’s rights and advocating for education and health care.