The taxicab makes its first appearance in American cities. Service costs a nickel, and the popularity of the cabs leads to the development of intercity bus lines.

15 Jan.

The first transcontinental telephone line opens for service from New York City to San Francisco.

10 Feb.

The United States protests a German declaration of a war zone around the British Isles.

30 Mar.

The United States protests the British blockade of German ports, saying that it interferes with legitimate neutral trade.

15 Oct.

A $500 million loan is made by private American banks to France and Great Britain.

21 Oct.

The first transatlantic radiotelephone communication is made from Arlington, Virginia, to the Eiffel Tower in Paris.

10 Dec.

The one millionth Model T automobile rolls off the Ford Motor Company's assembly line in Detroit, Michigan.