The Constitution of Indiana is the highest body of state law in the U.S. state of Indiana. It establishes the structure and function of the state and is based on the principles of federalism and Jacksonian democracy. Indiana's constitution is subordinate only to the U.S. Constitution and federal law. Prior to the enactment of Indiana's first state constitution and achievement of statehood in 1816, the Indiana Territory was governed by territorial law. The state's first constitution was created in 1816, after the U.S. Congress had agreed to grant statehood to the former Indiana Territory. The present-day document, which went into effect on November 1, 1851, is the state's second constitution. It supersedes Indiana's 1816 constitution and has had numerous amendments since its initial adoptio