1. In 1892, President Benjamin Harrison signed a bill making Wyoming a state. Wyoming was the first state in the US to give women the right to vote in 1869, and this event solidified their status as a trailblazer for gender equality in American politics.

2. On April 13, 1941, the Wyoming State Capitol building was dedicated in Cheyenne after almost a decade of construction. The Capitol is the tallest building in Wyoming and is home to the Wyoming Legislature and many state government offices.

3. In 1977, a massive blizzard hit Wyoming on April 13-14, causing record-breaking snowfall and subzero temperatures across the state. Over 50 inches of snow fell in Lander, Wyoming, and the storm claimed 30 lives and caused over $12 million in damage.

4. On April 13, 2019, a stretch of Interstate 80 in southwestern Wyoming was closed for several hours due to a massive pileup involving over 100 vehicles. The accident was caused by strong winds and blowing snow that created near-whiteout conditions on the highway.

5. April 13, 1877 marked the beginning of the Battle of Peno Creek, which was part of the Nez Perce Wars that took place across the Western United States in the late 1800s. During the battle, US Army soldiers clashed with a group of Nez Perce warriors, leading to several casualties on both sides.