*Pre-Hispanic Era (1325-1521)*
1. *Tenochtitlan Foundation*: 1325, by the Aztecs.
2. *Azteca Empire*: Expansion and domain.
3. *Culture and religion*: Mythology, human sacrifices and architecture.
*Conquest and Colony (1521-1821)*
1. *Arrival of Hernán Cortés*: 1519.
2. *Fall of Tenochtitlan*: 1521.
3. *Establishment of the Viceroyalty*: 1535.
4. *Spanish influence*: Architecture, religion and culture.
*Independence and Reform (1821-1910)*
1. *War of Independence*: 1810-1821.
2. *Establishment of the Republic*: 1824.
3. *Liberal reform*: 1855-1876, Church-State separation.
4. *Porfiriato*: 1876-1911, authoritarian regime.
*Revolution and Modernity (1910-1940)*
1. *Mexican Revolution*: 1910-1920.
2. *Constitution of 1917*: Social and political rights.
3. *Government of Álvaro Obregón*: 1920-1924.
4. *Industrialization and urbanization*: Economic growth.
*Contemporary era (1940-present)*
1. *Economic development*: Industrialization and services.
2. *Urban growth*: Expansion of the city.
3. *Environmental problems*: Pollution and congestion.
4. *Politicar reforms*: Democratization and citizen participation.
*Key events*
1. *1985 earthquake*: Natural disaster.
2. *Economic crisis of 1994*: Financial problems.
3. *Political reform of 1997*: Greater autonomy.
4. *Government of Andrés Manuel López Obrador*: 2018-present.
*Sources*
1. National Institute of Anthropology and History (INAH)
2. General Archive of the Nation (AGN)
3. Government of the Federal District
4. National Autonomous University of Mexico (UNAM)
5. "History of Mexico" by Luis González y González.
