John H. Hammond, Jr. develops equipment to remotely control vessels by radio up to three miles away. Later, many of his patents were sold to the U.S. military for use in radio guidance in weapons delivery systems. Armstrong applies for a patent to use a vacuum tube as an oscillator. Station FL, broadcasting from the Eiffel tower begins broadcasting on 10,000 meters. Hiram Percy Maxim founds the A.R.R.L. American Radio Relay League.
War breaks out in Europe, and Amateur licenses are suspended in almost all foreign countries.