The Political Constitution of the State of Yucatán (Spanish: Constitución Politica del Estado de Yucatán) is the constitution which legally governs the free and sovereign state of Yucatán, one of 31 states with the Federal District comprise the 32 federative entities of the United Mexican States. It was drafted by the Constituent Congress of State, chaired by Héctor Victoria Aguilar in 1918 and promulgated by General Salvador Alvarado, pre-constitutional governor of Yucatán. The most important reforms were made in 1938, although its text has been revised and partially renovated over the 20th century and continues to be reformed so far.