The Treaty of Berlin was signed, granting Serbia, Montenegro, and Romania independence from Turkey.
Source
Swedish-American inventor John Ericsson patented the screw propeller design.
The famous iconic Hollywood sign was placed in Hollywood Hills, Los Angeles, California, US.
New York City experienced a 25-hour blackout when a substation on the Hudson River was struck by lightning, causing two circuit breakers to trip.
British singer-songwriter Lily Allen released her first album, 'Alright, Still,' in the UK.
John F. Kennedy was nominated as a presidential candidate by the US Democrats.