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The Surprising Pivot to Victory 11:53 Lena: So—we’ve got this stalemate—and then—out of nowhere—the whole thing ends because of a "military coup" in Spain? Talk about a plot twist!
12:03 Miles: It really is one of the biggest "wait—what?" moments in history. In 1820—liberal officers in Spain revolted against King Ferdinand and forced him to bring back that liberal Constitution of 1812. Now—you’d think the rebels in Mexico would be thrilled—right?
12:19 Lena: You’d think so! But—it actually had the opposite effect on the people who were currently *running* Mexico.
12:25 Miles: Exactly! The wealthy Creoles and the Church leaders in Mexico—the ones who had been fighting *against* independence for a decade—suddenly got scared. They looked at the liberal reforms happening in Spain—things like reduced power for the Church and more rights for the common people—and they thought—"Uh-oh. If we stay part of Spain—we’re going to lose our privileges."
12:46 Lena: So—suddenly—independence starts looking like a good way to *preserve* the old way of life? That is so ironic.
12:55 Miles: It’s pure political survival. And the man who stepped into that gap was Agustín de Iturbide. He was a high-ranking royalist officer—a guy who had spent years hunting down rebels like Hidalgo and Morelos. In late 1820—he was sent to the south to finally finish off Vicente Guerrero. But instead of fighting—Iturbide started writing letters to Guerrero.
13:17 Lena: Imagine being Guerrero—you’ve been hiding in the mountains for years—and the guy sent to kill you suddenly wants to grab coffee and talk about joining forces.
13:26 Miles: It was a huge gamble. Iturbide realized he couldn't win the war through force alone—and Guerrero realized that a "conservative" independence was better than no independence at all. They met at the "Embrace of Acatempan" and hammered out a deal—the Plan of Iguala.
13:42 Lena: This is the "Three Guarantees"—right? Religion—Independence—and Union. It feels like a masterclass in compromise. It offered something for everyone.
13:53 Miles: It was brilliant politics. Independence from Spain—to satisfy the rebels. Keeping the Catholic Church as the official religion—to satisfy the conservatives. And "Union"—meaning equal rights for all—to bring the different races together. Iturbide even created a new flag—green—white—and red—to represent those three goals. This new "Army of the Three Guarantees" was basically unstoppable because—suddenly—everyone was on the same side.
14:19 Lena: It’s wild that it took a royalist officer switching sides to finally get over the finish line. When the new Spanish Viceroy—Juan O’Donojú—arrived in 1821—he looked around and realized the Spanish cause was completely lost. Almost everyone had joined Iturbide.
14:36 Miles: He had no choice but to sign the Treaty of Córdoba in August 1821—which recognized Mexico as an independent nation. And on September 27—eleven years and eleven days after Hidalgo rang that bell—Iturbide and Guerrero marched into Mexico City in triumph. The war was over.
14:55 Lena: But—as we know—the drama wasn't quite finished. Iturbide didn't exactly want to be just a "president"—did he? He was crowned Emperor Agustín I!
0:14 Miles: Right! It went from a colony to an empire almost overnight. But that's the thing—the "Plan of Iguala" was a conservative compromise. It got the job done—but it didn't solve the deep societal fractures that Hidalgo and Morelos had been fighting about. Iturbide’s empire only lasted about a year before he was forced to abdicate—and Mexico eventually became a federal republic in 1824. But even with all the political chaos that followed—the fundamental fact of independence was settled.