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.
1940A calendar from 1940 according to the Gregorian calendar, factoring in the dates of Easter and related holidays, cannot be used again until the year 5280. Below, the events of World War II have the "WWII" prefix. January 1940 January 4 – WWII: Luftwaffe Colonel Hermann Göring assumes control of most war industries in Germany. January 6 – WWII: Winter War – General Semyon Timoshenko takes command of all Soviet forces. January 7 – WWII: Winter War: Battle of Raate Road – Outnumbered Finnish troops decisively defeat Soviet forces.
1967January 1967 January 1 – Canada begins a year-long celebration of the 100th anniversary of Confederation, featuring the Expo 67 World's Fair. January 5 Spain and Romania sign an agreement in Paris, establishing full consular and commercial relations (not diplomatic ones). Charlie Chaplin launches his last film, A Countess from Hong Kong, in the UK. January 6 – Vietnam War: USMC and ARVN troops launch Operation Deckhouse Five in the Mekong Delta. January 8 – Vietnam War: Operation Cedar Falls starts.
1978January 1 – Air India Flight 855, a Boeing 747 passenger jet, crashes off the coast of Bombay, killing 213. January 5 – Bülent Ecevit, of CHP, forms the new government of Turkey (42nd government). January 6 – The Holy Crown of Hungary (also known as Stephen of Hungary Crown) is returned to Hungary from the United States, where it was held since World War II. January 10 – Pedro Joaquín Chamorro Cardenal, a critic of the Nicaraguan government, is assassinated; riots erupt against Somoza's government.
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.
1971The year 1971 had three partial solar eclipses (February 25, July 22 and August 20) and two total lunar eclipses (February 10, and August 6). The world population increased by 2.1% this year, the highest increase in history. January 1971 January 2 – 66 people are killed and over 200 injured during a crush in Glasgow, Scotland. January 5 – The first ever One Day International cricket match is played between Australia and England at the Melbourne Cricket Ground.
1973January 1973 January 1 – The United Kingdom, the Republic of Ireland and Denmark enter the European Economic Community, which later becomes the European Union. January 15 – Vietnam War: Citing progress in peace negotiations, U.S. President Richard Nixon announces the suspension of offensive action in North Vietnam. January 17 – Ferdinand Marcos becomes President for Life of the Philippines. January 20 – Richard Nixon is sworn in for a second term as President of the United States.
1979January 1979 January 1 United Nations Secretary-General Kurt Waldheim heralds the start of the International Year of the Child. Many musicians donate to the Music for UNICEF Concert fund, among them ABBA, who write the song Chiquitita to commemorate the event. The United States and the People's Republic of China establish full diplomatic relations. Following a deal agreed during 1978, French carmaker Peugeot completes a takeover of American manufacturer Chrysler's European operations, which are based in Britain's former Rootes Group factories, as well as the former Simca factories in France.
July 19AD 64 – The Great Fire of Rome causes widespread devastation and rages on for six days, destroying half of the city. 484 – Leontius, Roman usurper, is crowned Eastern emperor at Tarsus (modern Turkey). He is recognized in Antioch and makes it his capital. 711 – Umayyad conquest of Hispania: Battle of Guadalete: Umayyad forces under Tariq ibn Ziyad defeat the Visigoths led by King Roderic. 939 – Battle of Simancas: King Ramiro II of León defeats the Moorish army under Caliph Abd-al-Rahman III near the city of Simancas.
November 16951 – Emperor Li Jing sends a Southern Tang expeditionary force of 10,000 men under Bian Hao to conquer Chu. Li Jing removes the ruling family to his own capital in Nanjing, ending the Chu Kingdom. 1272 – While travelling during the Ninth Crusade, Prince Edward becomes King of England upon Henry III of England's death, but he will not return to England for nearly two years to assume the throne. 1491 – An auto-da-fé, held in the Brasero de la Dehesa outside of Ávila, concludes the case of the Holy Child of La Guardia with the public execution of several Jewish and converso suspects.