The week in each year in which November 16 falls is hereby declared to be "Oklahoma Heritage Week," beginning on a Sunday when November 16 falls on such day or a following day of the week through Saturday. Laws 1972, p. 621, S.J.R.No.51, § 1.
Oklahoma Heritage Week
25 O.S. § 90.1, under Definitions and General Provisions.
25 O.S. § 90.1