“The first phone book was published in New Haven, Connecticut, in 1878 and listed only about 50 names.”

Reference: Smithsonian Magazine

More united states facts

The cigarette lighter was invented before the match.

Alexander Graham Bell received his patent for the telephone on March 7, 1876.

In 1978, only eight percent of U.S. households had microwave ovens. As of 2006 over 80 percent have them.