This answer is tossed around a lot, but the first test of the telephone was in 1845 by John Bellard
1900s
The polio vaccine was first tested in 1952 and marketed in 1955.The telephone was invented in 1876.
Hayes had the first telephone in the White House. It connected only to the Treasury Department. History did not record who was the first to answer it- probably the people who put it in tested it.
the first telephone was black
they first had the first operating english telephone in 2011.
telephone
it was first tested in April 1973.
The first telephone was created in 1861 by Phillip Reis. That means the first telephone is 148 years old.
The telephone was built by Alexander Granham Bell,but the first paitient FOR the telephone in 1876
The very first telephone, also commonly is known as a children's toy, is a tin can telephone.
Orville Wright tested the first airplane.
The first telephone in Australia was installed in Melbourne in 1879.