There were once riots over wearing straw hats past summer.

Author Michael Nordine
September 2, 2026

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In the early 20th century, weather was celebrated with, and heralded by, hats. In the U.S., May 15 (or thereabouts) was Straw Hat Day, when people cheered the arrival of warm weather with light, airy headwear. Felt Hat Day, meanwhile, came on or around September 15, in anticipation of looming cold weather. 

Not everyone played by these rules, however, and in 1921 the Pittsburgh Stock Exchange went so far as to declare that “straw hats may be worn with all the propriety and dignity attached thereto until and including Oct. 1.” 

Alas, this flouting of the natural order was not without consequence. Unwritten rules are still rules, and any number of self-styled enforcers took to the streets to ensure that no one was committing this most grievous of fashion faux pas. This resulted, most (in)famously, in a September 1922 riot in New York City. 

“Gangs of young hoodlums ran riot in various parts of the city last night, smashing unseasonable straw hats and trampling them in the street,” a New York Times article dated September 16 reported. “In some cases, mobs of hundreds of boys and young men terrorized whole blocks.” A mob of as many as 1,000 made their way throughout the city, some armed with nail-tipped sticks, eventually running into a group of dock workers who fought back; the ensuing melee shut down the Manhattan Bridge.

Another Times article insisted that “the inalienable right of a man to wear a straw hat in a snowstorm, if he desires, is to be upheld in this city by both police and the Magistrates, and a warning was sent broadcast to all straw hat smashers last night that jail terms on assault charges awaited them if they started any such carnival today.” Perhaps fortunately for all involved, straw hats fell out of fashion in the following years.