QUICK FACTS
Milestone: The first two-way phone call across outdoor lines
Date: Oct. 9, 1876
Where: Cambridgeport to Boston, Massachusetts
Who: Alexander Graham Bell and Thomas Watson
On the afternoon of Oct. 9, 1876, Alexander Graham Bell was in Boston when he had a three-hour chat with his assistant and fellow inventor, Thomas Watson. It would not have been noteworthy — except that Watson was across the Charles River, in Cambridgeport.
