1. On March 23, 1903, the Wyoming Legislature passed a law permitting women to serve on juries. Wyoming was the first state in the United States to allow women to vote, and this new law was another milestone in the state's history of women's rights.

2. In 1873, the notorious outlaw Sam Bass robbed a stagecoach near Rock Creek, Wyoming. Bass and his gang stole over $60,000 in gold and cash, making it one of the largest stagecoach robberies in history. Bass was eventually caught by Texas Rangers and died in a shoot-out a few months later.

3. On March 23, 1934, President Franklin D. Roosevelt signed the Taylor Grazing Act into law. The act was designed to manage and regulate grazing on public lands in the western United States, including Wyoming. It established the Grazing Service, which later became the Bureau of Land Management.

4. Wyoming's first state flag was adopted on March 23, 1917. The flag features a silhouette of Wyoming's state animal, the bison, in front of a blue field with a white border. Above the bison is the state seal, which features a woman representing the state's motto, "Equal Rights."

5. In 1869, the first transcontinental railroad was completed when the Union Pacific and Central Pacific lines were joined at Promontory Summit, Utah. The railroad stretched from Omaha, Nebraska to Sacramento, California, and passed through Wyoming. The completion of the railroad opened up the West to settlement and economic development.