October 18

1906 An advertisement for Buffalo Bill's Hotels—the Irma and the Wapiti—was published in the October 18, 1906 Wyoming Stockgrower and Farmer.

1913 Jaykay Post Office was established on October 18, 1913 with Alby Robert Kirkland as postmaster. The name of the Kirkland Ranch was the Jaykay Ranch.

1967 A photograph was taken of Nuphar Lake in Norris Geyser Basin, Yellowstone National Park. on October 18, 1967.

1968 Expedition Island on the Green River in Sweetwater County was designated a National Historical Land mark on October 18, 1968.