"It was 1918 and Denver Mayor William Fitz Randolph Mills bowed to business leaders and decided to back off social distancing. Armistice Day seemed like a perfect day to do it. The city had been all but locked down for five weeks and now there was something worth celebrating -- the end of the First World War. Grateful citizens streamed into the streets of the city on November 11, 1918, soon after Denver's Manager of Health William H. Sharpley declared the "plague under control.
Even in those early days of public health, with limited scientific remedies, social distancing and masks were understood to help stem the tide of pandemic.
While some experts tried to calm fears by saying the Spanish influenza epidemic was ordinary influenza by another name.
But folks were bristling at being asked to stay indoors in the picturesque autumn and businesses -- especially movie theaters -- were irritated at losing so much money because of what seemed like a relatively isolated pandemic. They argued it was better to simply quarantine those who showed symptoms and let everyone else go about their business.
Instead of being at the end of the influenza's toll on Denver, the city was only halfway through its ordeal. By backing off social distancing too early, they utterly failed to flatten the curve, and suffered a second bump, ... .
By November 22, deaths were spiking and Denver officials scrambled to reinstate bans on public and private gatherings and requiring masks for all commerce.
But the damage had been done. Five days later, Denver Post headlines blared the bad news: "All Flu Records Smashed in Denver in Last 24 Hours," claiming that more Denver residents had died of influenza than Coloradans killed in the First World War."
"The Great Influenza," by John Barry.
https://www.amazon.com/Great-Influenza-Deadliest-Pandemic-History-ebook/dp/B000OCXFWE
Canned in Denver.