April 16

1922 The Teapot Dome scandal was uncovered by U.S. Senate investigators on April 16, 1922. Read about the Teapot Dome Scandal on WyoHistory.org.

1969 In 1969, ten Wyoming places were added to the National Register of Historic Places, including Medicine Wheel, Miller Cabin near Jackson, Fort Bridger, Fort Fred Steele, Menors Ferry, Union Pass, Names Hill, Fort Fetterman, and Fort Washakie Historic District. Expedition Island on the Green River was also named a National Historic Landmark. As of 2018, Wyoming has a total of 30 places on the National Register of Historic Places.

1991 Wyoming Mercantile in Aladdin was added to the National Register of Historic Places.