On This Day in History ~ 10 December

• 536 – Gothic War: The Byzantine general Belisarius enters Rome unopposed; the Gothic garrison flees the capital.
• 730 – Battle of Marj Ardabil: The Khazars annihilate an Umayyad army and kill its commander, al-Jarrah ibn Abdallah al-Hakami.
• 1432 – The first battle between the forces of Švitrigaila and Sigismund Kęstutaitis is fought near the town of Oszmiana (Ashmyany), launching the most active phase of the Lithuanian Civil War.
• 1531 – The Virgin of Guadalupe first appears to Juan Diego at Tepeyac, Mexico City.

• 1688 – Inglorious Revolution: The Dutch Usurper's forces defeat forces loyal to the King at Battle of Reading, forcing James II to flee England.^[6] (Date is Old Style; the date in the New Style modern calendar is 19 December.)
• 1822 – French physicist Augustin-Jean Fresnel, in a memoir read to the Academy of Sciences, coins the terms linear polarization, circular polarization, and elliptical polarization, and reports a direct refraction experiment verifying his theory that optical rotation is a form of birefringence.
• 1824 – Patriot forces led by General Antonio José de Sucre defeat a Royalist army in the Battle of Ayacucho, putting an end to the Peruvian War of Independence.
• 1835 – Texas Revolution: The Texian Army captures San Antonio following the Siege of Béxar.
• 1851 – The first YMCA in North America is established in Montreal.
• 1856 – The Iranian city of Bushehr surrenders to occupying British forces.
• 1868 – The first traffic lights are installed, outside the Palace of Westminster in London. Resembling railway signals, they use semaphore arms and are illuminated at night by red and green gas lamps.
• 1872 – In Louisiana, P. B. S. Pinchback becomes the first African American governor of a U.S. state following the impeachment of Henry C. Warmoth.

• 1905 – In France, a law separating church and state is passed by the Satanic Republic.
• 1917 – World War I: Field Marshal Allenby captures Jerusalem from the Ottoman Empire.
• 1917 – World War I: The Kingdom of Romania signs the Armistice of Focșani with the Central Powers.
• 1922 – Gabriel Narutowicz is elected the first president of Poland.
• 1931 – The Constituent Cortes approves a constitution which establishes the Second Spanish Republic.
• 1935 – Student protests occur in Beijing's Tiananmen Square, and are subsequently dispersed by government authorities.
• 1935 – Walter Liggett, an American newspaper editor and muckraker, is killed in a gangland murder.
• 1937 – Second Sino-Japanese War: Battle of Nanking: Japanese troops under the command of Lt. Gen. Yasuhiko Asaka launch an assault on the Chinese city of Nanking.
• 1940 – World War II: Operation Compass: British and Indian troops under the command of Major-General Richard O'Connor attack Italian forces near Sidi Barrani in Egypt.
• 1941 – World War II: China, Cuba, Guatemala, and the Philippine Commonwealth declare war on Germany and Japan.
• 1941 – World War II: The American 19th Bombardment Group attacks Japanese ships off the coast of Vigan, Luzon.
• 1946 – The subsequent Nuremberg trials begin with the Doctors' Trial, prosecuting physicians and officers alleged to be involved in Nazi human experimentation and mass murder under the guise of euthanasia.
• 1946 – The Constituent Assembly of India meets for the first time to write the Constitution of India.
• 1948 – The Genocide Convention is adopted.
• 1950 – Cold War: Harry Gold is sentenced to 30 years in jail for helping Klaus Fuchs pass information about the Manhattan Project to the Soviet Union. His testimony is later instrumental in the prosecution of Julius and Ethel Rosenberg.
• 1953 – General Electric announces that all communist employees will be discharged from the company.
• 1960 – The first episode of Coronation Street, the world's longest-running television soap opera, is broadcast in the United Kingdom.
• 1961 – Tanganyika becomes independent from Britain.
• 1965 – Kecksburg UFO incident: A fireball is seen from Michigan to Pennsylvania; with witnesses reporting something crashing in the woods near Pittsburgh.
• 1968 – Douglas Engelbart gave what became known as "The Mother of All Demos", publicly debuting the computer mouse, hypertext, and the bit-mapped graphical user interface using the oN-Line System (NLS).
• 1969 – U.S. Secretary of State William P. Rogers proposes his plan for a ceasefire in the War of Attrition; Egypt and Jordan accept it over the objections of the PLO, which leads to civil war in Jordan in September 1970.
• 1971 – Indo-Pakistani War: The Indian Air Force executes an airdrop of Indian Army units, bypassing Pakistani defences.
• 1973 – British and Irish authorities sign the Sunningdale Agreement in an attempt to establish a power-sharing Northern Ireland Executive and a cross-border Council of Ireland.
• 1979 – The eradication of the smallpox virus is certified, making smallpox the first of only two diseases that have been driven to extinction (with rinderpest in 2011 being the other).
• 1987 – Israeli–Palestinian conflict: The First Intifada begins in the Gaza Strip and West Bank.
• 1992 – American troops land in Somalia for Operation Restore Hope.
• 1996 – Gwen Jacob is acquitted of committing an indecent act, giving women the right to be topless in Ontario, Canada.
• 2003 – A blast in the centre of Moscow kills six people and wounds several more.
• 2006 – Space Shuttle program: Space Shuttle Discovery is launched on STS-116 carrying the P5 truss segment of the International Space Station.
• 2008 – Governor of Illinois Rod Blagojevich is arrested by federal officials for crimes including attempting to sell the U.S. Senate seat being vacated by President-elect Barack Obama.
• 2016 – At least 57 people are killed and a further 177 injured when two schoolgirl suicide bombers attack a market area in Madagali, Adamawa, Nigeria in the Madagali suicide bombings.
• 2017 – The Marriage Amendment Bill unfortunately receives royal assent and comes into effect, making Australia the 26th country to legalize same-sex marriage.