Mexico: Heads of State: 1914-1915

Presidente de la Soberana Convención Revolucionaria
31 Oct 1914 - 6 Nov 1914	Antonio I. Villarreal full name: Antonio Irineo Villarreal González
Presidente Provisional de los Estados Unidos Mexicanos
6 Nov 1914 - 16 Jan 1915	Eulalio Gutiérrez [1] full name: Eulalio Martín Gutiérrez Ortiz
Presidente de la Soberana Convención Revolucionaria, Encargado del Poder Ejecutivo de los Estados Unidos Mexicanos
16 Jan 1915 - 10 Jun 1915	Roque González Garza full name: Roque Victoriano González Garza
Encargado del Poder Ejecutivo de la Nación
10 Jun 1915 - 10 Oct 1915	Francisco Lagos Cházaro [2] full name: Francisco Jerónimo de Jesús Lagos Cházaro Mortero

Gutiérrez was elected by the Sovereign Revolutionary Convention (Soberana Convención Revolucionaria), historically known as the Convention of Aguascalientes, on 1 Nov 1914 and took the oath of office on 6 Nov 1914. He later abandoned the capital, Mexico City, relocating to San Luis Potosí, in defiance of the Convention's authority, and remained in office until 2 Jun 1915.
Lagos Cházaro was elected by Sovereign Revolutionary Convention on 9 Jun 1915 and immediately took the oath of office. However, the handover ceremony was held occurred only on 10 Jun 1915. González Garza issued his final official act—a proclamation dated 10 Jun 1915—addressed to governors and other state officials, confirming the change in executive authority.