1. The first-ever Wyoming State Capitol was completed on April 14, 1890. This building served as the state seat of government until the current capitol building was constructed in 1917.

2. On April 14, 1926, the Kelly Walsh High School in Casper, Wyoming was founded. This school has produced several notable individuals, including former US Senator Alan Simpson, former CIA Director Mike Hayden, and musician Mike Hossack of The Doobie Brothers.

3. In 1935, the town of Lusk, Wyoming held its first-ever cattle sale on April 14. This event marked the beginning of a long tradition of livestock auctions in the town, which continue to this day.

4. On April 14, 2014, a massive wildfire known as the Sheep Herder Hill Fire broke out near Custer, Wyoming. This fire ultimately destroyed more than 60 structures and burned more than 15,000 acres of land.

5. In 2018, the city of Cheyenne, Wyoming celebrated the 150th anniversary of its founding on April 14. This milestone was marked by a series of events and celebrations throughout the city, including a reenactment of the founding ceremony and the unveiling of a new statue in downtown Cheyenne.