-
1822 BCE
Entrance in to Mexico City
– The Army of the Three Guarantees enters Mexico
City on September 27, symbolically ending Spanish colonial rule. -
1821 BCE
Treaty of cordoba
Signed on August 24, this treaty confirms Mexican
independence from Spain. -
Napoleonic invasión of spain
The crisis in Spain (including the deposition of
the Spanish king) undermines Spanish authority over its colonies, setting the
stage for independence movements in New Spain. -
Grito de dolores
On September 16, Father Miguel Hidalgo y Costilla issues
the call to arms in Dolores, Guanajuato, marking the beginning of the Mexican
War of Independence. -
Battle of Calderón Bridge
– Spanish royalist forces defeat insurgent armies,
forcing the revolutionary movement to regroup and adapt it -
Construcción of Apatzingán
– Insurgent leaders promulgate this constitution as
a framework for self-governance and the establishment of an independent
state. -
Rice of Vicente Guerrero
– After early setbacks, Vicente Guerrero emerges as
a key leader, sustaining the fight for independence in southern Mexico -
Plan of iguala
Agustín de Iturbide proclaims a plan based on three
guarantees—independence, equality, and protection of the Catholic
faith—that unites royalists and insurgents. -
Liberan, revolution in spain
Political changes in Spain (including the
reinstatement of the Cadiz Constitution) influence reforms in New Spain and
open a path toward negotiations with insurgent forces. -
. 1822: Establishment of the First Mexican Empire
Agustín de Iturbide is declared
Emperor of Mexico, marking the nation's first attempt at an independent
monarchical system. -
Collapse of the Mexican Empire
Facing internal opposition and instability,
Iturbide abdicates in March, paving the way for a republican form of
government -
Federal Constitution of the United Mexican States –
Promulgated on October
4, this constitution establishes Mexico as a federal republic. -
Rise of Centralist Tensions –
Political struggles between federalist and
centralist factions intensify as Mexico works to consolidate its new state. -
Outbreak of the Texas Revolution
Discontent grows among settlers in the
Mexican province of Texas, eventually leading to an armed rebellion against -
Declaration of Texan Independence –
On March 2, Texas declares its
independence from Mexico following pivotal conflicts such as the siege of the
Alamo and the victory at San Jacinto -
Annexation of Texas by the United States –
The Republic of Texas is annexed
by the U.S., a move that heightens tensions between Mexico and the United -
Start of the Mexican–American War
Disputes over the Texas border and
American expansionism lead to war on April 25. -
Treaty of Guadalupe Hidalgo
– Signed on February 2, this treaty ends the
Mexican–American War. As a result, Mexico cedes vast territories—including
what are now Texas and California—to the United States