Robot
(1920)
1920 to 1930 Timeline Outline
The Lowenheim-Skolem Theorem
(1920)
The First Radio News Broadcast
(August 31, 1920)
The First Commercial Radio Broadcast
(November 2, 1920)
George Owen Squier Invents Muzak
(1922 –
1936)
The BBC is Founded
(October 18 –
November 14, 1922)
Discovery of the Tomb of Tutankhamum
(November 4, 1922)
The Rocket in Interplanetary Space
(June 1923 –
1929)
IBM is Founded
(1924)
The Beginning of "Talk Radio"
(February 1924)
The Creation of Bell Labs
(1925)
Blue-Print for The Third Reich
(1925 –
1927)
Sarnoff Creates NBC
(1926)
The First Demonstration of Television
(January 26, 1926)
Invention of Magnetic Tape
(1927)
Animal Ecology
(1927)
Formation of Remington Rand
(January 25, 1927)
Secretary of Commerce Herbert Hoover Participates in the First American Demonstration of Television
(April 7, 1927)
The First All-Electronic Television
(September 7, 1927)
The First Full-Length Film with Synchronized Dialogue
(October 1927)
Hartley's Law
(1928)
The Minimax Theorem
(1928)
The First Television Journal
(March 1928)
"Regular" Television Broadcasting
(May 11, 1928)
CBS
(September 1928)
The Expanding Universe
(1929)
The First Flight Simulator
(1929)
Bruce Rogers' Monotype Centaur
(August 1929)
