Sigmund Freud's "Interpretation of Dreams" published.

Jazz legend Louis Armstrong born.

Wilbur and Orville Wright make first man-powered flight.

Westinghouse enterprises employ 50,000 workers.

Westinghouse builds first U.S. public-utility steam-turbine generator for Hartford (Connecticut) Electric Light Company

Westinghouse Technical Night School opens, offering classes in engineering, accounting, and office practices.

New York policeman arrests woman for smoking cigarette in public.

Pittsburgh theater is first dedicated to motion pictures.

Westinghouse forms six-man industrial research department at East Pittsburgh lab.

Westinghouse acquires Bryant Electric, maker of wiring devices, switches, and sockets.

Albert Einstein formulates Special Theory of Relativity.

Westinghouse demonstrates first main-line, AC-powered locomotive.

Earthquake rocks San Francisco.

General R.S.S. Baden-Powell founds Boy Scouts.

L.H. Baekeland invents bakelite.

Ford Motor Co. produces first of 15,000,000 Model T cars.

Westinghouse formally establishes Research Division.

Westinghouse introduces first continuous-filament tungsten light bulb.

George Westinghouse retires.

Irving Berlin writes "Alexander's Ragtime Band."

S.S. Titanic sinks on maiden voyage.

Westinghouse introduces marine geared-turbine drive; powers U.S.S. Neptune.

Niels Bohr formulates theory of atomic structure.

Westinghouse introduces Micarta insulation, a laminate later adapted for uses from airplane propellors to decorative surfacing material.

Panama Canal opens.

World War I begins.

George Westinghouse dies, drawings from an electric wheelchair he was designing close at hand. He had received 361 patents, founded 60 companies during his career.

Expanding Westinghouse Research Division moves to Forest Hills, Pa.

Westinghouse is one of first U.S. companies to establish pension plan for all employees.

New England Westinghouse Company opens for business. First product: rifles for the Czar's army.

Westinghouse introduces toaster that flips bread slices, evenly toasting both sides.

Women's fashion for bobbed hair sweeps the U.S.

Westinghouse introduces first all-electric kitchen range.

World War I ends.

Worldwide influenza epidemic strikes; will kill 22,000,000 by 1920.

Babe Ruth hits 587-foot homerun (Red Sox vs. Giants, Tampa, Fla)

Westinghouse builds first U.S.-made diesel-electric marine propulsion plant.

First airmail between New York and San Francisco.

18th Amendment to U.S. Constitution introduces Prohibition.

In Pittsburgh, Westinghouse radio station KDKA schedules the first commercial radio broadcast—the Harding-Cox presidential election results.

Westinghouse manufactures first factory-built radio receivers for home use.

Insulin first administered to diabetic patients.

Westinghouse incorporates Electric Supply Company.

Westinghouse announces first international short-wave broadcast; demonstrates television in laboratory setting.

J. Edgar Hoover assumes directorship of F.B.I.

2.5 million radios in use in U.S.

Westinghouse Klydonograph is first device for studying effects of lightning on transmission lines. Westinghouse introduces first successful electric iron.

John Logie Baird transmits first television image of human face.

F. Scott Fitzgerald finishes "The Great Gatsby."

Charles Lindbergh completes first solo transatlantic flight.

Westinghouse develops grid-glow tube, or "electric eye."

Alexander Fleming discovers penicillin.

U.S. stock market collapses, ushers in Depression and world economic crisis.

Ernest O. Lawrence develops cyclotron, or "atom smasher."

Westinghouse introduces first television camera tube, the Iconoscope; also first thermal-trip circuit breaker. Westinghouse Electric Elevator Company opens.

Westinghouse electrifies S.S. President Coolidge, the largest U.S. merchant ship of its time.

Amelia Earhart is first woman to fly Atlantic solo.

Westinghouse announces Ignitron mercury-arc rectifier.

21st Amendment to Constitution repeals Prohibition.

Westinghouse builds world's fastest elevators for New York's Rockefeller Center.

Westinghouse helps build first all-electric home in Mansfield, Ohio.

F.B.I. shoots John Dillinger, "Public Enemy No. 1."

Westinghouse introduces Precipitron electrostatic air cleaner.

Westinghouse builds world's most powerful waterwheel generators for Boulder Dam.

Amelia Earhart lost on Pacific Flight.

Crash of zeppelin "Hindenberg" described on national radio broadcast.

Westinghouse engineers build first industrial atom smasher.

Westinghouse time capsule, buried at New York World's Fair, is consigned to the people of 6939 A.D.

Westinghouse Sterilamp is first bactericidal mercury vapor lamp.

World War II begins in Europe. Einstein alerts President Roosevelt that nuclear weapons are possible.

Westinghouse builds long-range warning ground radar.