Wyo. Stat. § 8-4-105: Native American Day.

(a) In recognition of the North American Indian, the second Friday in May is designated as "Native American Day". The day shall be appropriately observed in the public schools of the state, by state and local government and by organizations within the state.

(b) The governor, not later than April 15 of each year, shall issue a proclamation requesting proper observance of "Native American Day".

(c) This section shall not affect commercial paper, the making or execution of written agreements or judicial proceedings, or authorize public schools, businesses or state and local government offices to close.