28th February…

Art historians have long debated the mystery behind Mona Lisa’s smile—or if, in fact, she’s smiling at all—but the subject of Leonardo da Vinci’s 1503 painting didn’t get her first medical diagnosis until 1987. According to a February 28 article in Physician’s Weekly, Mona Lisa’s smile is actually a symptom …

February 26th 1535

To protest the corruption of the Catholic Church, twelve Anabaptists ran naked through the streets of Amsterdam on February 26, 1535, in the first recorded instance of streaking as political protest. The seven men and five women stripped off and burned their clothing under order of Hendrik Hendriksz, a self-styled …

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