All constituent states of Mexico are fully autonomous and comprise a federation. The Federal District, originally integrated by Mexico City and other municipalities, was created in 1824 to be the capital of the federation. As such, it was governed directly by the central or federal government and the president of Mexico appointed its governor or executive regent. Even though the municipalities within the Federal District were autonomous, their powers were limited. In 1928, these municipalities were abolished and transformed into non-autonomous "delegaciones" or boroughs and a "Central Department", later renamed as Mexico City. In 1970 this department was split into four new "delegaciones", and Mexico City was constitutionally defined to be synonymous and coterminous with the entire Federal District. (As such, the boroughs of the Federal District are boroughs of Mexico City).