1900As of March 1 (O.S. February 17), when the Julian calendar acknowledged a leap day and the Gregorian calendar did not, the Julian calendar fell one day further behind, bringing the difference to 13 days until February 28 (O.S. February 15), 2100. The year 1900 also marked the Year of the Rat on the Chinese calendar. January 1900 January 2 – U.S. Secretary of State John Hay announces the Open Door Policy, to promote American trade with China. January 3 – The United States Census estimates the country's population to be about 70 million people.
1890January 1 - The Kingdom of Italy establishes Eritrea as its colony in the Horn of Africa. January 2 The steamship Persia is wrecked off Corsica; 130 lives are lost. Alice Sanger becomes the first female staffer in the White House. January 11 – 1890 British Ultimatum: The United Kingdom demands Portugal withdraw its forces from the land between the Portuguese colonies of Mozambique and Angola (most of present-day Zimbabwe and Zambia). January 15 – Ballet The Sleeping Beauty, with music by Tchaikovsky, is premiered at the Imperial Mariinsky Theatre in St.
1918This year is noted for the end of the First World War, on the eleventh hour of the eleventh day of the eleventh month, as well as for the Spanish flu pandemic that killed 50–100 million people worldwide. Below, the events of World War I have the "WWI" prefix. January 1918 January – 1918 flu pandemic: The "Spanish flu" (influenza) is first observed in Haskell County, Kansas. January 4 – The Finnish Declaration of Independence is recognized by Soviet Russia, Sweden, Germany and France. January 9 – Battle of Bear Valley: U.
1904January 1904 January 7 – The distress signal CQD is established, only to be replaced 2 years later by SOS. January 8 – The Blackstone Library is dedicated, marking the beginning of the Chicago Public Library system. January 12 – The Herero Wars in German South West Africa begin. January 17 – Anton Chekhov's last play, The Cherry Orchard («Вишнëвый сад», Vishnevyi sad), opens at the Moscow Art Theatre directed by Constantin Stanislavski, 6 month's before the author's death.
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.
1891January 1 A strike of 500 Hungarian steel workers occurs; 3,000 men are out of work as a consequence. Germany takes formal possession of its new African territories. January 4 – The Earl of Zetland issues a declaration regarding the famine in the western counties of Ireland. January 5 The Australian shearers' strike, that leads indirectly to the foundation of the Australian Labor Party, begins. A fight between the United States and Indians breaks out near Pine Ridge agency.
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.
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.
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.
1905As the second year of the massive Russo-Japanese War begins, more than 100,000 die in the largest world battles of that era, and the war chaos leads to the 1905 Russian Revolution against Nicholas II of Russia (Shostakovich's 11th Symphony is subtitled The Year 1905 to commemorate this) and the start of Revolution in the Kingdom of Poland. Canada and the U.S. expand west, with the Alberta and Saskatchewan provinces and the founding of Las Vegas.