1. Wyoming Became a State: September 2, 1890, marked a monumental day in Wyoming's history as it became the 44th state of the United States. After years of territorial status, Wyoming's population and residents were granted equal standing with other states in the Union.

2. First Women Jury: Wyoming was the first state to grant women the right to vote and to serve on juries. On September 2, 1870, the first women jurors in the United States were sworn into duty in Laramie, Wyoming, as part of a trial involving a murder case.

3. Johnson County War: One of the bloodiest range wars in American history began on September 2, 1892, in Johnson County, Wyoming. The Johnson County War, also known as the Invasion of Johnson County or Wyoming Range War, lasted for several days and resulted in the death of more than 20 people.

4. Devil's Tower Declaration: On September 2, 1906, President Theodore Roosevelt declared Devil's Tower, located in northeastern Wyoming, as the first national monument in the United States. The tower is a unique geological formation, rising to a height of 867 feet above the surrounding terrain.

5. Casper Mountain Fire: On September 2, 2012, the Casper Mountain Fire broke out in Wyoming, scorching more than 15,000 acres. The wildfire, one of the largest in Wyoming's history, forced the evacuation of several rural areas and caused substantial damage to homes and other structures.