1899January 1 Spanish rule ends in Cuba, concluding 400 years of the Spanish Empire in the Americas. Queens and Staten Island become administratively part of New York City. January 2 Bolivia sets up a customs office in Puerto Alonso, leading to the Brazilian settlers there to declare the Republic of Acre in a revolt against Bolivian authorities. The first part of the Jakarta Kota–Anyer Kidul railway on the island of Java is opened between Batavia Zuid (Jakarta Kota) and Tangerang.
19451945 marked the end of World War II and the fall of Nazi Germany and the Empire of Japan. It is also the year concentration camps were liberated and the only year in which atomic weapons have been used in combat. Below, the events of World War II have the "WWII" prefix. January 1945 January 1 – WWII: Germany begins Operation Bodenplatte, an attempt by the Luftwaffe to cripple Allied air forces in the Low Countries. Chenogne massacre: German prisoners are allegedly killed by American forces near the village of Chenogne, Belgium.
1883January 4 – Life magazine is founded in Los Angeles, California, United States. January 10 – A fire at the Newhall Hotel in Milwaukee, Wisconsin, United States, kills 73 people. January 16 – The Pendleton Civil Service Reform Act, establishing the United States civil service, is passed. January 19 – The first electric lighting system employing overhead wires begins service in Roselle, New Jersey, United States, installed by Thomas Edison. February – The Adventures of Pinocchio by Carlo Collodi is first published complete in book form, in Italy.
1887January 11 – Louis Pasteur's anti-rabies treatment is defended in the Académie Nationale de Médecine, by Dr. Joseph Grancher. January 20 The United States Senate allows the Navy to lease Pearl Harbor as a naval base. British emigrant ship Kapunda sinks after a collision off the coast of Brazil, killing 303 with only 16 survivors. January 21 The Amateur Athletic Union (AAU) is formed in the United States. Brisbane receives a one-day rainfall of (a record for any Australian capital city).
1901January 1901 January 1 The British colonies of New South Wales, Queensland, South Australia, Tasmania, Victoria and Western Australia federate as the Commonwealth of Australia; Edmund Barton becomes the first Prime Minister of Australia. Nigeria becomes a British protectorate. January 9 – Lord Kitchener reports that Christiaan de Wet has shot one of the "peace" envoys, and flogged two more, who had gone to his commando to ask the Burgher citizens of South Africa to halt fighting.
1894January 4 – A military alliance is established between the French Third Republic and the Russian Empire. January 7 – William Kennedy Dickson receives a patent for motion picture film in the United States. January 9 – New England Telephone and Telegraph installs the first battery-operated telephone switchboard, in Lexington, Massachusetts. February 12 French anarchist Émile Henry sets off a bomb in a Paris café, killing one person and wounding twenty.
1843January Serial publication of Charles Dickens's novel Martin Chuzzlewit begins in London; in the July chapters, he lands his hero in the United States. Edgar Allan Poe's short story "The Tell-Tale Heart" is published in a Boston magazine. The Quaker magazine The Friend is first published in London. January 3 – The Illustrated Treatise on the Maritime Kingdoms (海國圖志, Hǎiguó Túzhì) compiled by Wei Yuan and others, the first significant Chinese work on the West, is published in China.
1842January Michael Alexander takes office, as the first appointee to the Anglican-German Bishopric in Jerusalem. American medical student William E. Clarke of Berkshire Medical College becomes the first person to administer an inhaled anesthetic, to facilitate a surgical procedure (dental extraction). January 6–13 – First Anglo-Afghan War – Massacre of Elphinstone's army (Battle of Gandamak): British East India Company troops are destroyed by Afghan forces on the road from Kabul to Jalalabad, Afghanistan, by Akbar Khan, son of Dost Mohammad Khan.
1833January 3 – Reassertion of British sovereignty over the Falkland Islands in the South Atlantic. February 6 – His Royal Highness Prince Otto Friedrich Ludwig of Bavaria assumes the title His Majesty Othon the First, by the Grace of God, King of Greece, Prince of Bavaria. February 16 – The United States Supreme Court hands down its landmark decision of Barron v. Mayor and City Council of Baltimore. March 4 – Andrew Jackson is sworn in for his second term as President of the United States.
1815January 2 – Lord Byron marries Anna Isabella Milbanke in Seaham, county of Durham, England. January 3 – Austria, Britain, and Bourbon-restored France form a secret defensive alliance treaty against Prussia and Russia. January 8 – Battle of New Orleans: American forces led by Andrew Jackson defeat British forces led by Sir Edward Pakenham. American forces suffer around 60 casualties and the British lose about 2,000 (the battle lasts for about 30 minutes). January 13 – War of 1812: British troops capture Fort Peter in St.