Historic Event
Jan 1 Hewlett-Packard is founded by Bill Hewlett and Dave Packard in a garage in Palo Alto, California "the birthplace of Silicon Valley"
Historic Event
Jan 4 Hermann Goering appoints Reinhard Heydrich head of Jewish Emigration
- Jan 7 US worker's union leader Tom Mooney freed (jailed since 1916)
Treaty of Interest
Jan 13 Belgian premier signs Burgos Treaty for trade relations with Franco's Spain
Sports History
Jan 15 1st NFL All Star Game, Wrigley Field, Chicago: New York Giants beat All America All-Stars, 13-10
- Jan 15 Municipal Railway & Market St RR begin service to Transbay Terminal
- Jan 16 Daily newspaper comic strip "Superman" debuts
- Jan 16 The Irish Republican Army (IRA) begins a 14 month long bombing campaign in England
- Jan 17 Ed Barrow is elected Yankee president succeeding deceased J Ruppert
- Jan 19 Ernest Hausen of Wisconsin sets chicken-plucking record of 4.4 sec
- Jan 20 Charles Ives' 1st Sonata "Concord" premieres
- Jan 20 LPGA Titleholders Championship Women's Golf, Augusta CC: Patty Berg wins 3rd straight title by 2 strokes ahead of Dorothy Kirby
Hall of Fame
Jan 24 Eddie Collins, Willie Keeler & George Sisler elected to Hall of Fame
- Jan 24 Spanish government moves to Figueras
Film Release
Jan 24 Adventure film "Gunga Din", based on the poem by Rudyard Kipling and starring Cary Grant, Victor McLaglen, and Douglas Fairbanks Jr. is released
- Jan 25 Earthquake hits Chillan Chile, 10,000 killed
Historic Event
Jan 25 1st nuclear fission experiment (splitting of a uranium atom) in the US, in basement of Pupin Hall, Columbia University by a team including Enrico Fermi
- Jan 26 Federal Hall National Monument established
- Jan 26 Filming begins on film adaptation of "Gone With The Wind"
- Jan 26 Francisco Franco's troops conquer Barcelona
- Jan 27 First flight of the Lockheed P-38 Lightning
- Jan 28 Australian Championships Women's Tennis: In an all-Australian final Emily Hood Westacott beats Nell Hall Hopman 6-1, 6-2 for her only Grand Slam singles title
- Jan 28 Australian Championships Men's Tennis: Australian John Bromwich wins his 1st Australian title; beats doubles partner Adrian Quist 6-4, 6-1, 6-3
Historic Event
Jan 30 Adolf Hitler threatens Jews during his speech to the German Reichstag (Parliament)
- Jan 30 Heavy aftershocks destroy some of Chile