The Constitution of the State of Louisiana, January 22, 1812
In 1811 Congress passed an act to authorize the people of the Orleans Territory to form a constitution and state government, and provide for the admission of the state into the Union once the constitution was approved by the U.S. Congress. The constitutional convention convened in New Orleans on November 4, 1811 and on January 22, 1812 the delegates signed Louisiana's first state constitution. President James Madison transmitted the proceedings and constitution to Congress on March 4, 1812.
The Constitution of the State of Louisiana, January 22, 1812; Records of the U. S. Senate, RG 46.