Mexico: Polity Style: 1863-1867
| 11 Jul 1863 | a limited hereditary monarchy is established as the form of government of the Mexican nation, the imperial crown is offered to Erzherzog Ferdinand Maximilian of Austria in accordance with a resolution of the Assembly of Notables (Asamblea de Notables) approved at the session held on 10 Jul 1863, signed by the members of the Assembly on 11 Jul 1863, promulgated by the Provisional Executive Supreme Power (Supremo Poder Ejecutivo Provisional) on 11 Jul 1863 (Imperial Laws Bulletin 1863-1865, 1:123-124; La Sociedad, No. 26, 14 Jul 1863, p. 3) [1] |
| 11 Jul 1863 - 21 Jun 1867 | Imperio Mexicano |
| 21 Jun 1867 | the capital of the Mexican Empire (Mexico City) is surrendured to the armed forces of the United Mexican States in accordance with the articles of surrender signed on 21 Jun 1867 (Monitor Republicano, No. 4676, 1 Jul 1867, p. 2) |
- During the period of 1862-1867, significant portions of the United Mexican States (Estados Unidos Mexicanos) were occupied by the armed forces of France supporting the establishment of the Mexican Empire (Imperio Mexicano). The armed conflict between the government formed under the Constitution of 1857 and the imperial regime concluded with the fall of the monarchy and the restoration of the national authority of the United Mexican States.