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.
1920January 1920 January 1 Polish–Soviet War in 1920: The Russian Red Army increases its troops along the Polish border from 4 divisions to 20. Kauniainen, completely surrounded by the city of Espoo, secedes from Espoo as its own market town. January 3 – The 1920 Xalapa earthquake in Mexico kills over 600 people, making it the second deadliest in the country. January 7 – Russian Civil War: The forces of Russian White Admiral Alexander Kolchak surrender in Krasnoyarsk; the Great Siberian Ice March ensues.
1889January 1 The total solar eclipse of January 1, 1889 is seen over parts of California and Nevada. Paiute spiritual leader Wovoka experiences a vision, leading to the start of the Ghost Dance movement in the Dakotas. January 4 – An Act to Regulate Appointments in the Marine Hospital Service of the United States is signed by President Grover Cleveland. It establishes a Commissioned Corps of officers, as a predecessor to the modern-day U.S. Public Health Service Commissioned Corps. January 5 – Preston North End F.
1912This year is notable for the sinking of the Titanic on April 15, 1912. January 1912 January 1 – The Republic of China is established. January 5 – The Prague Conference (6th All-Russian Conference of the Russian Social Democratic Labour Party) opens. January 6 German geophysicist Alfred Wegener first presents his theory of continental drift. New Mexico become the 47th U.S. State. January 8 – The African National Congress is founded as the South African Native National Congress, at the Waaihoek Wesleyan Church in Bloemfontein, to promote improved rights for black South Africans, with John Langalibalele Dube as its first president.
1976January 1976 January 2 – The International Covenant on Economic, Social and Cultural Rights enters into force. January 5 – The Pol Pot regime proclaims a new constitution for Democratic Kampuchea. January 18 – Full diplomatic relations are established between Bangladesh and Pakistan 5 years after the Bangladesh Liberation War. January 27 The United States vetoes a United Nations resolution that calls for an independent Palestinian state. The First Battle of Amgala breaks out between Morocco and Algeria in the Spanish Sahara.
1915Below, the events of World War I have the "WWI" prefix. January 1915 January – British physicist Sir Joseph Larmor publishes his observations on "The Influence of Local Atmospheric Cooling on Astronomical Refraction". January 1 WWI: British Royal Navy battleship HMS Formidable is sunk off Lyme Regis, Dorset, England, by an Imperial German Navy U-boat, with the loss of 547 crew. Battle of Broken Hill: A train ambush near Broken Hill, Australia, is carried out by two men (claiming to be in support of the Ottoman Empire) who are killed, together with four civilians.
1872January 12 – Yohannes IV is crowned Emperor of Ethiopia in Axum, the first ruler crowned in that city in over 500 years. February 2 – The government of the United Kingdom buys a number of forts on the Gold Coast, from the Netherlands. February 4 – A great solar flare, and associated geomagnetic storm, makes northern lights visible as far south as Cuba. February 13 – Rex, the most famous parade on Mardi Gras, parades for the first time in New Orleans for Grand Duke Alexei Alexandrovich of Russia.
1836January 1 – Queen Maria II of Portugal marries Prince Ferdinand Augustus Francis Anthony of Saxe-Coburg-Gotha. January 5 – Davy Crockett arrives in Texas. January 12 with Charles Darwin on board, reaches Sydney. Will County, Illinois, is formed. February 8 – London and Greenwich Railway opens its first section, the first railway in London, England. February 16 – A fire at the Lahaman Theatre in Saint Petersburg kills 126 people. February 23 – Texas Revolution: The Battle of the Alamo begins, with an American settler army surrounded by the Mexican Army, under Santa Anna.