1. In 1867, Wyoming Territory was established, becoming the first territory in the United States to grant women the right to vote. This landmark decision paved the way for women's suffrage in the United States.

2. In 1888, one of the worst blizzards in Wyoming history hit the state on December 11. Known as the "School Children's Blizzard," the storm claimed the lives of over 200 people, many of whom were children caught in the storm on their way home from school.

3. The Wyoming State Capitol building was dedicated on December 11, 1917. The building was designed by renowned architect William Dubois and is listed on the National Register of Historic Places.

4. In 1967, the state's first community college, Casper College, was founded on December 11. The school offers associate degrees and certificate programs to over 4,000 students annually.

5. December 11, 1986, marked the opening of the National Museum of Wildlife Art in Jackson Hole. The museum features over 5,000 works of art, including paintings, sculptures, and photography, from around the world that celebrate wildlife and nature.