December 6

1873 A bill making Green River City the county seat of Sweetwater County was passed by the Territorial House on December 6, 1873.

1900 An article about the new town of Jelm City was published in the December 6, 1900 Laramie Daily Boomerang.

1902 Zenith Post Office in Teton County was established on December 6, 1902.