Mo. Rev. Stat. § 9.141: Bill of Rights Day established.

December fifteenth is hereby established as the "Bill of Rights Day" in Missouri to provide an opportunity for the people of Missouri to reflect upon the meaning, importance and uniqueness of this document. The people of the state, offices of government, and all civic organizations in the state are requested to devote a part of the day to the bill of rights. The bill of rights should be read in public schools and the day should be remembered with appropriate exercises. The bill of rights should be read in all courtrooms that meet or convene and the bill of rights shall be read in both chambers of the general assembly on the first legislative day after bill of rights day.