2 things science and human progress accomplished on this date.
1838
The telegraph is shown to the public
At the Speedwell Ironworks in Morristown, New Jersey, Samuel Morse and Alfred Vail gave the first public demonstration of their electric telegraph, sending coded messages down two miles of wire. For the first time, words could outrun any messenger.
William James was born in New York City and became the first person to teach a psychology course in the United States. His clear, humane writing on habit, emotion, and attention helped turn the study of the mind into a real science.