Back in the summer of 1882, a carpenter and labor union leader named Peter J. McGuire (or possibly Matthew Maguire, depending on which union historian you ask to fight you) looked at the brutal, grueling 60-hour workweeks of the Gilded Age and had a radical thought: what if working people got a single day off just to throw a massive party and show off how many of them there were? The Central Labor Union of New York loved the idea and scheduled the grand experiment for Tuesday, September 5, 1882. The blueprint was simple: hold a massive morning parade down Broadway to flex union solidarity, followed immediately by an afternoon picnic stocked with cheap beer, speeches, and brass bands.

When the morning of September 5 actually arrived, however, the grand plan immediately hit a classic event-planner nightmare. Grand Marshal William McCabe turned up at City Hall in his finest suit, ready to lead a sea of workers, only to find precisely zero music and a tiny, nervous crowd of fewer than eighty people. Nobody wanted to start marching down Broadway in dead silence like a line of sad, lost pedestrians, and the missing brass band threatened to turn the revolution into a total flop. Just as panic set in, the Newark Jewelers' Union saved the day, marching around the corner behind Voss’s Military Band playing lively theatrical tunes. The moment the music kicked up, thousands of spectators sitting on the sidelines decided to join in, turning a shaky turnout into a roaring 10,000-worker parade that marched all the way to Union Square to the sound of horns and cheering crowds.

The post-parade picnic at Elm Park was such an absolute blast—complete with fireworks, dancing, and endless lager—that local governments took notice, Oregon made it an official state holiday in 1887, and President Grover Cleveland signed it into federal law in 1894. Today, we still celebrate Labor Day on the first Monday of September, though the celebration looks a bit different. While cities like New York still hold traditional labor union parades, for most modern workers, the grand procession of labor solidarity has mostly evolved into the sacred tradition of sleeping in, throwing hot dogs on a grill, and stubbornly ignoring work emails to honor the long weekend.