3871 entries. Last updated May 18, 2013.

1920 to 1930 Timeline Outline

  • Eras
  • Themes

Robot
(1920)

The Lowenheim-Skolem Theorem
(1920)

The First Radio News Broadcast
(August 31, 1920)

The First Commercial Radio Broadcast
(November 2, 1920)

Using 64,000 Human Computers to Predict the Weather
(1922)

The Index of Coincidence Method of Code-Breaking
(1922)

Jenkinson Publishes A Manual of Archive Administration
(1922)

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 First Electronic Television Camera
(1923)

The Enigma Machine is Introduced
(1923)

The First Suburban Shopping Center Designed for Shoppers Arriving by Automobile
(1923)

Foundation of Public Relations
(1923)

The Rocket in Interplanetary Space
(June 1923 – 1929)

IBM is Founded
(1924)

A Logarithmic Law for Communication
(1924)

The First Hi-Fi Sound Recording
(1924)

The Beginning of "Talk Radio"
(February 1924)

The Creation of Bell Labs
(1925)

A Massive Central Library on Microform for Printing on Demand
(1925)

Blue-Print for The Third Reich
(1925 – 1927)

Sarnoff Creates NBC
(1926)

The Basic Equations for Two-Species Interactions
(1926)

The First Demonstration of Television
(January 26, 1926)

The International Federation of Library Associations is Founded
(1927)

Invention of Magnetic Tape
(1927)

Animal Ecology
(1927)

The Literature and Culture of Suicide
(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)

Is Mathematics Complete, is it Consistent, and is it Decidable?
(1928)

The Eighty-Column Punched Card
(1928)

Using a Commercial Accounting Machine as a Difference Engine
(1928)

First Use of Punched Cards in a Purely Scientific Application
(1928 – 1929)

Hartley's Law
(1928)

The Minimax Theorem
(1928)

The First All-Talking Feature Film
(1928)

The First Television Journal
(March 1928)

"Regular" Television Broadcasting
(May 11, 1928)

CBS
(September 1928)

The First Experimental Television Service
(1929)

The Relationship between Information and Thermodynamics
(1929)

The Expanding Universe
(1929)

The First Flight Simulator
(1929)

A Portion of a 15th Century Medical Library for Sale in 1929
(1929)

Bruce Rogers' Monotype Centaur
(August 1929)