- May 13 Danvers State Hospital, a psychiatric hospital in Massachusetts, opens—later serves as inspiration for Arkham Sanitorium in the work of H.P. Lovecraft, which in turn inspired Arkham Asylum of the D.C. Batman universe
First Moving Images
Jun 15 World's first moving pictures caught on camera (used 12 cameras, each taking 1 picture) done to see if all 4 of a horse's hooves leave the ground