From Tenochtitlan to the modern megacity — the history that explains why the city looks and feels the way it does, without a textbook's worth of dates.
Founded around 1325 on an island in Lake Texcoco, Tenochtitlan grew into one of the largest cities in the world before a Spanish soldier ever set foot in it. By the time Hernán Cortés arrived in 1519, the Mexica capital held an estimated 200,000 people, fed by chinampas, the floating gardens still visible today in Xochimilco.
The Spanish razed Tenochtitlan after a two-year siege and built Mexico City directly on top of it, using its own stones in places. For three centuries the city served as the seat of the Viceroyalty of New Spain, the wealthiest colony in the Spanish empire.
Independence in 1821 didn't bring stability: the decades after saw the loss of half the country's territory to the United States in 1848, a French invasion, and a brief empire under Maximilian I before the republic held. The messiest, least-visited era, and the one with the fewest surviving landmarks.
Porfirio Díaz ruled for over three decades and remade the city in a European image: wide boulevards modeled on Paris, Belle Époque mansions along Paseo de la Reforma, the Palacio de Bellas Artes. The modernization came at the cost of the inequality that would end his rule.
The Mexican Revolution began in 1910 and consumed the country for a decade. What followed mattered more for the capital's identity: a wave of state-commissioned murals by Rivera, Orozco, and Siqueiros turned public buildings into a visual argument for the new nation.
The population exploded from under two million to nearly fifteen by the mid-1980s, reshaping the city faster than almost anywhere else on earth. It hosted the 1968 Olympics under the shadow of the Tlatelolco massacre days earlier — and the jacarandas now synonymous with the city were a deliberate 1930s import, not a native species.
The 8.0 earthquake on September 19, 1985 killed thousands and permanently changed how the city builds, starting an early-warning culture that still sounds today. What followed was slower: democratization through the 1990s, and a wave of investment in neighborhoods like Roma and Condesa.
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