1. On January 31, 1865, Wyoming became the first U.S. state to grant women the right to vote. This landmark moment paved the way for greater female participation in politics and set an important precedent for women's suffrage advocates across the country.

2. In 1925, on January 31, the first radio station in Wyoming went on the air. KFBC, which stands for "Keep Faith in Bill Cody," was based in Cheyenne and played a mix of music, news, and entertainment programming.

3. On January 31, 1945, a B-17 bomber crashed near Casper due to engine failure, killing all 21 people on board. The tragedy remains one of the deadliest aviation accidents in Wyoming history.

4. In 1961, on January 31, the Lincoln Highway, a historic transcontinental roadway, was decommissioned. The route, which stretches from New York City to San Francisco, had been an important conduit for commerce and travel through Wyoming and other western states.

5. January 31, 1984, marked the end of a coal miners' strike that had been ongoing for more than eight months. The strike, which involved over 900 workers at several mines in the state, highlighted the challenges facing the coal industry in Wyoming and other parts of the country.