1. On September 29, 1914, the first state fair was held in Douglas, Wyoming. The fair featured livestock shows and exhibits, horse racing, and agricultural displays. Today, the Wyoming State Fair is held annually in Douglas and continues to showcase Wyoming's agriculture and western heritage.

2. In 1885, the first train arrived in the newly established town of Casper, Wyoming on September 29th. The arrival of the Chicago and North Western Railway brought new opportunities for trade, travel, and growth to the town and surrounding area.

3. On September 29, 1868, the Fort Bridger Treaty was signed between the United States government and the Shoshone and Bannock tribes. The treaty established the boundaries of the Wind River Indian Reservation in western Wyoming, which is still home to many members of the tribes today.

4. In 1913, the first Cheyenne Frontier Days rodeo was held on September 29th. The event has since become a beloved annual tradition in Wyoming, drawing thousands of visitors from around the world to the "Daddy of 'em All" rodeo.

5. On September 29, 1936, the first daily newspaper in Sheridan, Wyoming, The Sheridan Press, was published. The newspaper is still in circulation today, providing local news and information to the community.