1. On July 30, 1868, the United States government signed the Treaty of Fort Laramie with the Eastern Shoshone and Northern Arapaho tribes. This treaty established the Wind River Indian Reservation in Wyoming, which remains in place to this day.

2. In 1890, Wyoming became the 44th state to join the United States. This came after years of campaigning by women's suffrage advocates, and Wyoming famously granted women the right to vote in 1869, making it the first state to do so.

3. On July 30, 1917, a massive wildfire known as the Matheson Fire broke out in central Wyoming. It ultimately burned more than 220,000 acres of land and consumed several small towns, causing millions of dollars in damage and leaving thousands homeless.

4. In 1939, Wyoming governor Leslie A. Miller signed a bill that created the University of Wyoming's College of Agriculture. This move helped transform the state's agricultural industry, making it more efficient and profitable.

5. On July 30, 1978, Wyoming's famous Frontier Days rodeo held its first ever women's barrel racing competition. The rodeo, which began in 1897, remains one of the most popular events in the state and attracts cowboys and cowgirls from all over the world.