1. Wyoming became a state: On February 11, 1890, Wyoming was admitted as the 44th state in the United States. It was the first state to grant women the right to vote, making it a significant milestone in the women's suffrage movement.

2. The Washington-Virginia Vale Trail: In 1867, a group of pioneers led by Washington and Virginia Vale set off from Denver to Wyoming on an expedition in search of a new trail, which would later become known as the Washington-Virginia Vale Trail. The group encountered many obstacles, including harsh weather conditions, but ultimately succeeded in establishing the new trail.

3. The Battle of Bear River: On February 11, 1863, a battle took place between the United States Army and the Shoshone tribe near present-day Preston, Idaho. The battle was often called the "Massacre at Bear River" and is one of the deadliest Indian battles in American history.

4. Sheridan County was formed: On February 11, 1888, Sheridan County was formed from parts of Big Horn County. The county is named after Civil War general Philip Sheridan and is home to the city of Sheridan, the county seat and largest city in the county.

5. Medicine Bow Mountains: The Medicine Bow Mountains, which span across southern Wyoming and northern Colorado, were named by French trappers in the early 1800s. The name was inspired by the Native American legend of a magic bow lost in the mountains, which was believed to have the power to cure any illness.