| 11 October 1347 | Holy Roman Empire [political events] | King Ludwig IV of Bavaria, King of the Romans, dies. His successor Charles IV has already been crowned and now receives general recognition. |
| 11 October 1471 | Europe, Muscovy [wars] | Following its defeat by Muscovite forces, the extensive and wealthy republic of Novgorod becomes subject to Ivan III, Grand Duke of Muscovy, and Moscow. The ascendancy in Russia of the principality of Muscovy is established. |
| 11 October 1531 | Swiss Confederation [wars] | The Swiss Catholic Christian Union armies defeat those of the canton of Zürich, under Jörg Göldli at Kappel, killing the Protestant pastor and theologian Ulrich Zwingli in battle. |
| 11 October 1698 | Spain, France, UK, Holy Roman Empire [treaties] | Because of the bad health of Charles II of Spain, King Louis XIV of France and King William III of Britain sign the first Partition Treaty which aims to avoid war in Europe on Charles's death by dividing the Spanish kingdom between the three principal claimants. Prince Joseph Ferdinand of Bavaria, the Holy Roman Emperor Leopold I's grandson, is to receive Spain, the Spanish Netherlands, Sardinia, and Spanish America, Louis's son, Louis the Dauphin, is to gain Naples, Sicily, and the Tuscan ports, and Archduke Charles of Austria, second son of Emperor Leopold, is to receive Milan. |
| 11 October 1821 | Russia [births and deaths] | Fyodor Mikhailovich Dostoyevsky, Russian novelist best known for Crime and Punishment (1866) and The Brothers Karamazov (1879–80), born in Moscow, Russia (–1881). |
| 11 October 1832 | France [law and government] | The former Napoleonic marshal Nicholas-Jean Soult, duc de Dalmie, becomes prime minister of France in an administration containing François Guizot, Adolphe Thiers, and Achille, duc de Broglie, which stabilizes French politics. |
| 11 October 1838 | Germany [astronomy] | Using the method of parallax, German astronomer Friedrich Bessel calculates the star 61 Cygni to be 10.3 light years away from Earth. It is the first determination of the distance of a star other than the Sun. |
| 11 October 1881 | USA [photography] | US inventor David Henderson Houston patents a camera that takes roll film. |
| 11 October 1889 | England [births and deaths] | James Prescott Joule, English physicist who demonstrated that the various forms of energy can be transformed one into another, dies in Sale, Cheshire, England (70). |
| 11 October 1932 | USA [television] | The Democratic Party gives the first party political television broadcast, in New York City. |
| 11 October 1973 | Israel, Syria [Yom Kippur War (1973)] | Counterattacking Israeli forces break through on the Golan Heights during the Yom Kippur War and invade Syria. |
| 11 October 1976 | UK [television] | For the first time there are more colour than black and white TV licences in Britain. |
| 11 October 1982 | UK [historical study] | The Mary Rose, King Henry VIII's flagship which was sunk by the French on 19 July 1545, is raised from the bottom of Portsmouth harbour. It is found to contain Tudor artefacts such as board games, table settings, and musical instruments. |
| 11 October 1993 | Georgia, Commonwealth of Independent States [political events] | Georgia joins the Commonwealth of Independent States (CIS), the last of the former Soviet republics to do so. |
