January 17, 2024 | Jamie Hayes

When Mexico City Was A Floating Paradise

When Mexico City Was A Floating Paradise

Mexico City is one of the largest metropolitan areas in the world. Founded in 1524 by the Spanish, today the city proper covers nearly 600 square miles and has a population of over 9 million people. But the history of Mexico City stretches back almost two centuries before the Spanish ever set foot in the Americas. 

Rather, the Spanish built their capital on top of the ashes of one of the most beautiful and unique cities in history: Tenochtitlan.

mexico city

The Mexica

The Mexica people, known today as the Aztecs, founded the city of Tenochtitlan in 1325. According to legend, an ancient prophecy foretold that the Mexica would found a great city at a site signaled by an eagle with a snake in its beak, perched on a cactus—an image still enshrined on the Mexican flag today. 

After years of wandering, the Mexica discovered this portent on a tiny, marshy island in the middle of Lake Texcoco. Undeterred by the difficult location, they founded Tenochtitlan on the site.

Mexico City, Mexico - Decembre 22, 2017: Aztec dancers dancing in the Zocalo in Mexico City, DF, Mexico.Shutterstock

Another Story

A more likely origin is that the Mexica simply had nowhere else to go. They were latecomers to the Texcoco region, and some 50 settlements already surrounded the lake. A tiny, marshy island in the middle of the lake seems like a poor consolation prize—but the Mexica were resourceful and inventive. 

Life had given them lemons, and they made lemonade.

Mexica, AztecIndigenous People

Floating Islands

Using chinampas—artificial islands made by fencing off areas of the shallow lakebed with reeds and then filling them with soil—the Mexica farmed directly on Lake Texcoco itself. What followed was abundance and prosperity. 

With the chinampas, the Mexica were able to grow a variety of crops, including maize, tomatoes, squash, and chili peppers. The chinampa system could also be expanded, which meant it was always able to support the growth of the Mexica empire. 

chinampaThe Archaeologist

Taking Over

Before long, the Mexica, once newcomers on Lake Texcoco, dominated all the other city states in the region. By 1519, their empire spanned 80,000 square miles, stretching from the Atlantic to the Pacific. 

The Mexica ruled a population of around six million people—and it all centered around the wondrous city of Tenochtitlan.

chinampasThe Archaeologist

A Metropolis Unlike Any Other

Though chinampas were originally used for farming, the artificial islands soon grew more permanent and served many functions. By the time of its height, Tenochtitlan looked nothing like the swampy island of its origins. In its place stood a sprawling metropolis, seemingly floating in the middle of the lake. 

An intricate network of canals wove through massive temples, thriving marketplaces, a luxurious palace, gardens, zoos, and even an aquarium, while three grand causeways connected the city to the mainland.


The Wonders Of The Floating City

At its height, Tenochtitlan held 200,000 to 400,000 people, making it one of the largest cities in the world—five times the size of London at the time. When Spanish conquistadors first laid eyes upon the sprawling lakebed metropolis, some of them thought they were dreaming. 

But if it was a dream, it was about to come to an end.

Spanish Conquistadors factsWikipedia

Welcoming The Devil

Though the Mexica possessed remarkable ingenuity and a complex culture, they were no match for the armed might of Hernán Cortés and his Spanish conquistadors. In 1519, Cortés began his march toward Tenochtitlan. Hoping to reach a peaceful agreement, Emperor Moctezuma II invited the Spaniards into the city. 

This would turn out to be the worst mistake of his life

Hernán CortésWikipedia

Well, That Backfired

While the talks began amiably enough, several occurrences of mistranslation kept the tension between the two leaders alive. Outnumbered and wary of the Moctezuma, Cortés decided to act. Six days after his arrival, the conquistador took the emperor captive. 

Though Moctezuma initially resisted, in the end, he willingly let Cortés move him to the Axayáctal palace where he was imprisoned.


What Was He Thinking? 

No one knows why Moctezuma was so cooperative with Cortés. Some think the emperor feared being executed or losing his political power. Others believe that Cortés' threats of destroying the city were the motivation for Moctezuma's complacency. 

No matter what the motivation truly was, one thing remains true: Moctezuma's surrender signaled the beginning of the empire's downfall. 

Moctezuma IIWikipedia

Fighting Back

While we all know this story doesn't end well for the Mexica people, it's important to also know that they didn't go down without a fight. 

After Spaniards performed a brutal slaughter of nobles and priests during the festival of Toxcatl, the people of Tenochtitlan had had enough. They revolted and forced the Spaniards out of the city, with that night forever being remembered as "La Noche Triste", meaning "The Night Of Sorrows". 

Sadly, this grand victory would only stall the destruction that was to come. 

Elite Military Forces FactsWikipedia

Who Dunnit? 

Hoping to quell the rebellion, Cortés sent Moctezuma to speak to the angry citizens. But only made things worse. Knowing that their emperor could or would not do anything to reclaim Tenochtitlan, they stoned Moctezuma and severely injured him before he could be rescued by the Spaniards. 

But this is where the story gets murky. According to Spanish records, Moctezuma succumbed to his wounds a few days later. But the Mexica refute this, and say that Moctezuma survived the stoning but was executed by Cortés when it was clear the former emperor was of no use. 

No one knows the truth about Moctezuma's end, and for a few months, the Mexica were able to hold Tenochtitlan. But the days of glory in this great city were long past, and it was impossible to stand against what came next. 

Montezuma FactsWikimedia Commons


In 1521, Cortés conquered Tenochtitlan after a long siege. According to stories, tens of thousands of Mexica bodies floated in the city’s canals by the time the fighting had stopped. As soon as he had control, Cortés set about leveling Tenochtitlan, building Mexico City upon the ruins. 

The Spanish then drained Lake Texcoco in order to control flooding, and it wasn't long before the beautiful city in the middle of a shining lake was nothing but a distant memory.

Aztec Civilization FactsFlickr


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