March milestones: Why March 18 is a key date in history, from Mexico's oil expropriation to the Paris Commune

When flicking through the March calendar, one date stands out, particularly for Mexicans: March 18. It's not just another day; it's witnessed events that shifted the course of entire nations. If you're after a quick guide to understand why this day packs such a punch, or you just want a refresher (a historical review) of the most impactful moments, you've come to the right place. Here's the lowdown on what went down on this day, as if we were there.

1938: Mexico's bold cry for sovereignty

If there's one event etched into every Mexican's memory when it comes to March milestones, it's the Oil Expropriation. On March 18, 1938, President Lázaro Cárdenas announced to the world, via radio, the nationalisation of the oil industry. Back then, foreign companies were exploiting the crude as if it were their own backyard, thumbing their noses at Mexican court rulings. Cárdenas, with a resolve that feels from another era, legally decreed the expropriation of their assets. Petróleos Mexicanos (PEMEX) was born. For many, that was the moment Mexico pulled up a chair at the table of genuinely independent nations. Every March 18, Mexicans remember that sovereignty isn't something you ask for—it's something you exercise.

The world was stirring too: other March 18 events

But history doesn't stop at the border. Zooming out on the March 18 timeline, this date is also etched into the story of other countries. Take 1871, for instance, when Parisians rose up to establish the Paris Commune, that first workers' government which, despite its short life, planted the seeds for 20th-century social movements. And speaking of historic firsts, in 1965, Soviet cosmonaut Alexei Leonov became the first human to float in open space. Picture it: tethered to his spacecraft by a thin cord, gazing at Earth from the void. It was a giant leap that feels almost routine today, but back then it was pure heroism.

European politics also has its chapter on March 18. According to well-documented accounts, in 1990, the German Democratic Republic (communist East Germany) held its first free elections—a decisive step towards reunification. And going further back, in 1921, the Peace of Riga was signed, ending the war between Poland and Soviet Russia and redrawing the map of Eastern Europe.

Farewells and arrivals

Historical dates also mark goodbyes. March 18, 1584, saw the death of Ivan the Terrible, the first Tsar of Russia, as brutal as he was pivotal to his country's history. In the world of science, 1893 marked the loss of a visionary: Alexander Graham Bell, the inventor of the telephone, passed away that day. Though today's phones might be unrecognisable to him, there's no denying the revolution he sparked in human communication.

On the flip side, it's also a day that welcomed brilliant minds. March 18, 1837, saw the birth of Grover Cleveland, the only US president to serve two non-consecutive terms. And in 1922, the British jailed Mahatma Gandhi for sedition, unwittingly fuelling the legend of the man who would free India without firing a single shot.

A quick round-up of other March 18 events

For trivia buffs or anyone needing a speedy March historical review, here's a list of other happenings on this day worth remembering:

• 1962: France and the Algerian National Liberation Front sign the Évian Accords, paving the way for an end to the Algerian War of Independence.
• 1937: A school tragedy in New London, Texas, shocks the US: a gas explosion at a school kills over 300 people, most of them children.
• 1745: Robert Walpole, widely regarded as Britain's first prime minister, passes away, leaving a lasting political legacy.
• 1922: The US Supreme Court upholds the 19th Amendment, guaranteeing women's right to vote—a landmark in the fight for equality.

So you see, using the March 18 timeline as a guide lets us time-travel, connecting different eras and cultures. This date isn't just about Mexico's Oil Expropriation; it's a reminder that humanity moves forward through acts of sovereignty, rebellion, exploration, and peace deals. Next time someone asks you what's special about this day, you've got the full story to share—like a true expert who's been around the block.