January 24

January 24: A Tyrant Falls, Gold Glitters, and Beer Gets Canned

When conspiracy ended madness, a discovery transformed a nation, and innovation changed how we drink

January 24 brings together three moments of transformation—when Roman conspirators ended a reign of terror and demonstrated the limits of absolute power, when a carpenter's discovery of gold flakes sparked the greatest mass migration in American history, and when brewers solved a packaging problem and revolutionized consumer culture. These stories remind us that change comes in many forms: through violence and courage, through chance discoveries that alter destinies, and through quiet innovations that reshape daily life.

The Day Rome Said Enough

On January 24, 41 CE, Emperor Caligula was assassinated in the cryptoporticus—an underground passageway beneath the imperial palace on Rome's Palatine Hill. Members of the Praetorian Guard, led by Cassius Chaerea, struck down the 28-year-old emperor who had terrorized Rome for nearly four years. Caligula's reign had begun with promise after the paranoid rule of Tiberius, but illness and unchecked power transformed him into a tyrant whose cruelty, extravagance, and erratic behavior horrified even Rome's jaded elite. He declared himself a living god, allegedly planned to make his horse a consul, and used treason trials to eliminate perceived enemies and confiscate their wealth.

The assassination demonstrated that even an emperor claiming divinity remained mortal and vulnerable. The conspirators also murdered Caligula's wife and infant daughter, attempting to erase his bloodline entirely. Yet their plan to restore the Republic failed when the Praetorian Guard found Caligula's uncle Claudius hiding behind a curtain and proclaimed him emperor instead—establishing the dangerous precedent that the Guard could make and unmake emperors. Caligula's death taught Rome that absolute power corrupts absolutely, that bodyguards eventually tire of protecting tyrants, and that the line between emperor and god is maintained only by the swords of mortal men. The blood spilled in that underground corridor proved that sovereignty built on terror rather than legitimacy inevitably ends in violence.

Roman Praetorian Guards confronting Emperor Caligula in the underground cryptoporticus of the imperial palace
In an underground passage, conspirators prove that even emperors who claim godhood remain mortal

The Flakes That Built California

On January 24, 1848, James W. Marshall was inspecting the tailrace of a sawmill he was building for John Sutter along the American River in Coloma, California, when something caught his eye. Glittering in the water were flakes of gold. Marshall brought his discovery to Sutter, who tried desperately to keep it secret, knowing it would destroy his agricultural empire. But word spread like wildfire. By 1849, tens of thousands of fortune-seekers—the "forty-niners"—were streaming into California from across America and around the world, abandoning farms, businesses, and families for the chance to strike it rich.

The Gold Rush transformed California from a sleepy Mexican territory of a few thousand settlers into a booming American state within three years. San Francisco exploded from a village of 200 to a city of 36,000 by 1852. The influx of miners displaced and devastated California's Native American populations, while creating fortunes for merchants who sold supplies—Levi Strauss made more from selling sturdy pants than most miners made from gold. The rush accelerated American expansion westward, proved that ordinary people could change their fortunes through luck and labor, and established California as a land of opportunity and reinvention. Ironically, Marshall and Sutter both died impoverished, their discovery enriching everyone but themselves. Those gold flakes Marshall spotted in the millrace changed the course of American history, proving that sometimes the most consequential moments begin with someone noticing something glittering in the water.

James Marshall discovering gold flakes in the water at Sutter's Mill with the wooden sawmill structure visible
A carpenter spots glittering flakes in a millrace, sparking the greatest mass migration in American history

Revolution in a Can

On January 24, 1935, the Gottfried Krueger Brewing Company of Newark, New Jersey, began selling the first canned beer in Richmond, Virginia. The innovation solved a problem that had vexed brewers since Prohibition's repeal two years earlier: how to package beer that was lighter, more durable, and more portable than glass bottles. Working with the American Can Company, Krueger developed a steel can with a special lining that prevented the beer from acquiring a metallic taste. The brewery chose Richmond as its test market, and when sales exceeded expectations, the canned beer revolution was born.

Canned beer transformed the brewing industry and consumer culture. Cans were cheaper to ship, didn't break, blocked light that could spoil beer, and could be stacked efficiently. Within months, other breweries rushed to adopt canning, and by the end of 1935, over 200 million cans had been sold. The innovation proved crucial during World War II when the military needed lightweight, durable containers to ship beer to troops overseas. Canned beer democratized the beverage, making it more affordable and accessible while enabling outdoor recreation—picnics, camping, and tailgating all became easier. The technology pioneered for beer eventually revolutionized food packaging across industries. That first can opened in Richmond on this day represented more than a new way to drink beer—it demonstrated how packaging innovation could transform entire industries and reshape consumer behavior, proving that sometimes the container matters as much as the contents.

Vintage 1935 beer cans being filled on a production line with workers in period attire operating machinery
The first canned beer rolls off the line, revolutionizing an industry and changing how Americans consume their favorite beverage