[2] This list also includes the self-appointed presidents during civil wars and the collegiate bodies that performed the Mexican Executive duties during periods of transition.
After the end of the Mexican War of Independence, a Provisional Board of Governing consisting of thirty-four persons was set up.
The Board decreed and signed the Declaration of Independence and appointed a regency composed of six people.
[4] The provisional government was responsible for convening the body that created the Federal Republic and existed from 1 April 1823 to 10 October 1824.
After the constitutional reform of 1926, the presidential term in Mexico was extended to six years starting in 1928; with a formal ban on reelection.