1940A calendar from 1940 according to the Gregorian calendar, factoring in the dates of Easter and related holidays, cannot be used again until the year 5280. Below, the events of World War II have the "WWII" prefix. January 1940 January 4 – WWII: Luftwaffe Colonel Hermann Göring assumes control of most war industries in Germany. January 6 – WWII: Winter War – General Semyon Timoshenko takes command of all Soviet forces. January 7 – WWII: Winter War: Battle of Raate Road – Outnumbered Finnish troops decisively defeat Soviet forces.
1932January 1932 January 4 – The British authorities in India arrest and intern Mahatma Gandhi and Vallabhbhai Patel. January 9 – Sakuradamon Incident: Korean nationalist Lee Bong-chang fails in his effort to assassinate Emperor Hirohito of Japan. The Kuomintang's official newspaper runs an editorial expressing regret that the attempt failed, which is used by the Japanese as a pretext to attack Shanghai later in the month. January 22 – The 1932 Salvadoran peasant uprising begins; it is suppressed by the government of Maximiliano Hernández Martínez.
1860January 2 – The discovery of a hypothetical planet Vulcan is announced at a meeting of the French Academy of Sciences in Paris, France. January 10 – The Pemberton Mill in Lawrence, Massachusetts collapses, killing 146 workers. January 13 – Battle of Tétouan, Morocco: Spanish troops under General Leopoldo O'Donnell, 1st Duke of Tetuan defeat the Moroccan Army. January 20 – Camillo Benso, Count of Cavour is recalled as Prime Minister of Piedmont-Sardinia.
1948January 1948 January 1 The General Agreement on Tariffs and Trade (GATT) is inaugurated. The Constitution of New Jersey (later subject to amendment) goes into effect. The railways of Britain are nationalized, to form British Railways. January 4 – Burma gains its independence from the United Kingdom, becoming an independent republic, named the 'Union of Burma', with Sao Shwe Thaik as its first President and U Nu its first Prime Minister. January 5 – In the United States: Warner Brothers shows the first color newsreel (Tournament of Roses Parade and the Rose Bowl Game).
1968January 1968 February 1968 January – The I'm Backing Britain campaign starts spontaneously. January 5 – "Prague Spring": Alexander Dubček is chosen as leader of the Communist Party of Czechoslovakia. January 10 – John Gorton is sworn in as 19th Prime Minister of Australia, taking over from John McEwen after being elected leader of the Liberal Party the previous day, following the disappearance of Harold Holt. Gorton becomes the only Senator to become Prime Minister, though he immediately transfers to the House of Representatives through the 1968 Higgins by-election in Holt's vacant seat.
1840January 3 – One of the predecessor papers of the Herald Sun of Melbourne, Australia, The Port Phillip Herald, is founded. January 10 – Uniform Penny Post is introduced in the United Kingdom. January 13 – The steamship Lexington burns and sinks in icy waters, four miles off the coast of Long Island; 139 die, only four survive. January 19 – Captain Charles Wilkes' United States Exploring Expedition sights what becomes known as Wilkes Land in the southeast quadrant of Antarctica, claiming it for the United States, and providing evidence that Antarctica is a complete continent.