Okla. Stat. tit. 2, § 92
The object of free fairs shall be to promote agriculture, horticulture, livestock and poultry raising, manufacturing, arts, trades and every industry of the county in which the fair is held.
Laws 1915, HB 280, c. 179, § 2; Amended by Laws 1925, SB 152, c. 38, p. 56, § 2.