1878
 
 
 
 
 
 First Telephone Exchange was established in New Haven, CT with 21 subscribers and
after 6 weeks it operated at night as well as during the day.

Thomas Alva Edison patents the gramophone.
 
Harley Procter introduces Ivory Soap
 
First Unassisted Triple Play in organized baseball, by Paul Hines for the Providence Grays.
 
 
Frederick Winthrop Thayer of MA, and captain of the Harvard University ball club,received a patent for his baseball catchers mask
on February 12, 1878.
 
Philadelphia Mint strikes first Morgan Dollar

John Henry Tunstall shot