1. In 1819, the first fur trading post was established near present-day Lander by the American Fur Company. This post, named Fort Bonneville, was eventually abandoned after conflicts with the local Native American tribes.

2. In 1865, the Battle of Platte Bridge Station took place near present-day Casper. This battle was part of the Powder River Expedition and saw Union soldiers under the command of General Patrick Connor engage with a group of Sioux, Arapaho, and Northern Cheyenne warriors. The Union soldiers were ultimately victorious, but suffered significant casualties.

3. In 1890, Wyoming became the 44th state in the United States. This followed years of political wrangling and controversy, as various factions within the territory disagreed on issues such as women's suffrage and the distribution of federal lands.

4. In 1902, the first rodeo in Cheyenne was held. This event eventually grew into the Cheyenne Frontier Days, which is now one of the largest outdoor rodeos in the world.

5. In 1985, a tornado struck the town of Saratoga, killing one person and causing significant damage to buildings and infrastructure. This tornado was part of a larger outbreak that affected much of the western United States, and remains one of the most destructive tornadoes in Wyoming history.