New York became the first US court to allow blood test results to be used as evidence.
Source
The FDA approved the first oral contraceptive pill called Enovid.
Going My Way, starring Bing Crosby, premiered in New York.
President Arthur and NY Governor Cleveland opened the Brooklyn Bridge.
The discovery of the chemical element Neptunium was announced.
The Church of Jesus Christ of Latter-day Saints was founded in LaFayette, New York, by Joseph Smith.