Okla. Stat. tit. 25, § 90.20

A. It is the intent of the Legislature to commemorate the date that the United States Supreme Court, in the case of McDonald v. City of Chicago, Illinois, 130 S.Ct 3020 (2010), declared that through the Fourteenth Amendment to the United States Constitution, the Second Amendment right of individuals to bear arms is fully applicable to the states. B. The twenty-eighth of June of each year is hereby designated “Second Amendment Day” in Oklahoma.