1930January 1930 January 15 – The Moon moves into its nearest point to Earth, called perigee, at the same time as its fullest phase of the Lunar Cycle. This is the closest moon distance at in recent history, and the next one will be on January 1, 2257, at . January 26 – The Indian National Congress declares this date as Independence Day, or as the day for Poorna Swaraj (Complete Independence). January 28 – The first patent for a field-effect transistor is granted in the United States, to Julius Edgar Lilienfeld.
1857January 1 – The biggest Estonian newspaper, Postimees, is established by Johann Voldemar Jannsen. January 7 – The partly French-owned London General Omnibus Company begins operating. January 9 – The 7.9 Fort Tejon earthquake shakes Central and Southern California, with a maximum Mercalli intensity of IX (Violent). January 24 – The University of Calcutta is established in Calcutta, as the first multidisciplinary modern university in South Asia. The University of Bombay is also established in Bombay, British India, this year.
1938January 1938 January 1 – State-owned railway networks are created by merger, in France (SNCF) and the Netherlands (Nederlandse Spoorwegen – NS). January 20 – King Farouk of Egypt marries Safinaz Zulficar, who becomes Queen Farida, in Cairo. January 27 – The Honeymoon Bridge at Niagara Falls, New York, collapses as a result of an ice jam. February 1938 February 4 Adolf Hitler abolishes the War Ministry and creates the Oberkommando der Wehrmacht (High Command of the Armed Forces), giving him direct control of the German military.
1922January 1922 January 7 – Dáil Éireann, the parliament of the Irish Republic, ratifies the Anglo-Irish Treaty by 64–57 votes. January 10 – Arthur Griffith is elected President of Dáil Éireann, the day after Éamon de Valera resigns. January 11 – The first successful insulin treatment of diabetes is made, by Frederick Banting in Toronto. January 15 – Michael Collins becomes Chairman of the Provisional Government of the Irish Free State. January 26 – Italian forces occupy Misrata, Libya; the reconquest of Libya begins.
1838January 10 – A fire destroys Lloyd's Coffee House and the Royal Exchange in London. January 11 – At Morristown, New Jersey, Samuel Morse, Alfred Vail and Leonard Gale give the first public demonstration of Morse's new invention, the telegraph. January 21 – The first known report about the lowest temperature on Earth is made, indicating in Yakutsk. January 23 - A 7.5 earthquake strikes the Romanian district of Vrancea causing damage in Moldavia and Wallachia, killing 73 people.
1852January 14 – President Louis-Napoléon Bonaparte proclaims a new constitution for the French Second Republic. January 15 – Nine men representing various Jewish charitable organizations come together to form what will become Mount Sinai Hospital in New York City. January 17 – The United Kingdom recognizes the independence of the Transvaal. February 3 – Battle of Caseros, Argentina: The Argentine provinces of Entre Rios and Corrientes, allied with Brazil and members of Colorado Party of Uruguay, defeat Buenos Aires troops under Juan Manuel de Rosas.
