1871 The Laramie Daily Independent was established by E.A. Slack and T.J. Webster on December 26, 1871.
1888 Dallas Post Office was established on May 19, 1884 with Josephine Werlen as postmaster. It was discontinued on August 5, 1887 but reestablished on December 26, 1888.
1902 Francis Seth Frost died on this date in 1902. Frost and Albert Bierstadt accompanied Frederick W. Lander on his expedition of 1859 which resulted in the construction of the Lander Cutoff. They made sketches and took stereoscopic photographs in western Wyoming. Frost completed a painting of South Pass and the Wind River Mountains in 1860.
1915 Elijah Nicholas Wilson died on December 26, 1915. Wilson, Wyoming is named for him. He received a patent on land at that location in 1905. He was the author of White Indian Boy, which was about his life among the Shoshone Indians.