January 1 1900 - Nigeria becomes a British Protectorate
January 2 1900 - The first Electric bus becomes operational in New York City
January 2 1900 - John Hay announces the Open Door Policy to promote trade with China.
January 2 1900 - Chicago Canal opens.
January 3 1900 - British Royal Yacht, Victoria and Albert capsizes as it leaves port
January 4 1900 - Strikes in Belgium and Germany lead to mining riots
January 5 1900 - Irish leader John Edward Redmond calls for a revolt against British rule.
January 5 1900 - Dr Henry A. Rowland of John Hopkins University discovers the cause of the Earth's magnetism
January 6 1900 - It is reported that millions are starving in India.
January 6 1900 - Boers attack Ladysmith - over 1000 people were killed.
January 8 1900 - United States President William McKinley places Alaska under military rule.
January 9 1900 - The First through train runs from Cairo to Khartoum
January 9 1900 - Influenza strikes London
January 10 1900 - Lord Roberts become Army chief in the Boer War
January 12 1900 - In India, three and a quarter million people are receiving famine relief.
January 13 1900 - Kaiser of Germany declares that German is the command language in the German army
January 14 1900 - Premier presentation of opera Tosca in Rome - actors have received death threats and nameless letters.
January 15 1900 - The Hippodrome theatre opens in the Charing Cross Roads in London
January 16 1900 - The United States Senate accepts the Anglo-German treaty of 1899 in which the United Kingdom renounced its claims to the Samoan islands.
January 17 1900 - Brigham H. Roberts is refused a seat in the House of Representatives because of his Polygamy
January 23 1900 - 5000 Austrian miners go on strike
January 24 1900 - Battle of Spion Kop in Second Boer War.
January 24 1900 - The governments in London and Pretoria begin negotiations to end the Second Boer War.
January 27 1900 - Boxer Rebellion: Foreign diplomats in Peking China demand that the Boxer rebels be disciplined.
January 29 1900 - The American League of Professional Baseball Clubs is organized in Philadelphia, Pennsylvania with 8 founding teams.
January 30 1900 - United Kingdom forces fighting Boers in South Africa ask for reinforcements.
Famous Births:
January 1 1900 - Mildred Davis, American actress (d. 1969)
January 2 1900 - William Haines, American actor (d. 1973)
January 5 1900 - Yves Tanguy, French painter (d. 1955)
January 15 1900 - Aristotle Onassis, Greek businessman (d. 1975)
January 25 1900 - Theodosius Dobzhansky, Geneticist, evolutionary biologist (d. 1975)
January 23 1900 - William Ifor Jones, Welsh Conductor & Organist (d. 1988)
January 26 1900 - Karl Ristenpart, German conductor (d. 1967)
January 27 1900 - Hyman Rickover, American admiral (d. 1986)
January 30 1900 - Martita Hunt, actress (d. 1969)
Famous Deaths:
January 20 1900 - John Ruskin, English writer and social critic (b. 1819)
January 31 1900 - John Sholto Douglas, 9th Marquess of Queensberry, Scottish nobleman and boxer (b. 1844)