| 131071 | November 18 | Event | 1105 – Maginulfo is elected the Antipope as Sylvester IV. |
| 131072 | November 18 | Event | 1180 – Phillip II becomes king of France. |
| 131073 | November 18 | Event | 1210 – Pope Innocent III excommunicates Holy Roman Emperor Otto IV. |
| 131074 | November 18 | Event | 1282 – Pope Martin IV excommunicates King Peter III of Aragon. |
| 131075 | November 18 | Event | 1302 – Pope Boniface VIII issues the Papal bull Unam sanctam (One Faith). |
| 131076 | November 18 | Event | 1307 – William Tell shoots an apple off his son's head. |
| 131077 | November 18 | Event | 1421 – A seawall at the Zuiderzee dike in the Netherlands breaks, flooding 72 villages and killing about 10,000 people. This event will be known as St. Elizabeth's flood. |
| 131078 | November 18 | Event | 1493 – Christopher Columbus first sights the island now known as Puerto Rico. |
| 131079 | November 18 | Event | 1494 – French King Charles VIII occupies Florence, Italy. |
| 131080 | November 18 | Event | 1601 – Tiryaki Hasan Pasha, provincial governor of Ottoman Empire, utterly defeats Habsburg forces, commanded by Ferdinand the Archduke of Austria during the Siege of Nagykanizsa. |
| 131081 | November 18 | Event | 1626 – St. Peter's Basilica is consecrated. |
| 131082 | November 18 | Event | 1730 – The future Frederick II (known as Frederick the Great), King of Prussia, is granted a royal pardon and released from confinement. |
| 131083 | November 18 | Event | 1803 – The Battle of Vertières, the last major battle of the Haitian Revolution, is fought, leading to the establishment of the Republic of Haiti, the first black republic in the Western Hemisphere. |
| 131084 | November 18 | Event | 1809 – In a naval action during the Napoleonic Wars, French frigates defeat British East Indiamen in the Bay of Bengal. |
| 131085 | November 18 | Event | 1812 – Napoleonic Wars: The Battle of Krasnoi ends in French defeat, but Marshal of France Michel Ney's leadership leads to him becoming known as "the bravest of the brave". |
| 131086 | November 18 | Event | 1863 – King Christian IX of Denmark signs the November constitution that declares Schleswig to be part of Denmark. This is seen by the German Confederation as a violation of the London Protocol and leads to the German–Danish war of 1864. |
| 131087 | November 18 | Event | 1865 – Mark Twain's short story "The Celebrated Jumping Frog of Calaveras County" is published in the New York Saturday Press. |
| 131088 | November 18 | Event | 1883 – American and Canadian railroads institute five standard continental time zones, ending the confusion of thousands of local times. |
| 131089 | November 18 | Event | 1903 – The Hay–Bunau-Varilla Treaty is signed by the United States and Panama, giving the United States exclusive rights over the Panama Canal Zone. |
| 131090 | November 18 | Event | 1904 – General Esteban Huertas steps down after the government of Panama fears he wants to stage a coup. |
| 131091 | November 18 | Event | 1905 – Prince Carl of Denmark becomes King Haakon VII of Norway. |
| 131092 | November 18 | Event | 1909 – Two United States warships are sent to Nicaragua after 500 revolutionaries (including two Americans) are executed by order of José Santos Zelaya. |
| 131093 | November 18 | Event | 1916 – World War I: First Battle of the Somme: In France, British Expeditionary Force commander Douglas Haig calls off the battle which started on July 1, 1916. |
| 131094 | November 18 | Event | 1918 – Latvia declares its independence from Russia. |
| 131095 | November 18 | Event | 1926 – George Bernard Shaw refuses to accept the money for his Nobel Prize, saying, "I can forgive Alfred Nobel for inventing dynamite, but only a fiend in human form could have invented the Nobel Prize." |
| 131096 | November 18 | Event | 1928 – Release of the animated short Steamboat Willie, the first fully synchronized sound cartoon, directed by Walt Disney and Ub Iwerks, featuring the third appearances of cartoon characters Mickey Mouse and Minnie Mouse. This is considered by the Disney |
| 131097 | November 18 | Event | 1929 – Grand Banks earthquake: Off the south coast of Newfoundland in the Atlantic Ocean, a Richter magnitude 7.2 submarine earthquake, centered on the Grand Banks, breaks 12 submarine transatlantic telegraph cables and triggers a tsunami that destroys ma |
| 131098 | November 18 | Event | 1930 – Soka Kyoiku Gakkai, a Buddhist association later renamed Soka Gakkai, is founded by Japanese educators Tsunesaburō Makiguchi and Jōsei Toda. |
| 131099 | November 18 | Event | 1938 – Trade union members elect John L. Lewis as the first president of the Congress of Industrial Organizations. |
| 131100 | November 18 | Event | 1940 – World War II: German leader Adolf Hitler and Italian Foreign Minister Galeazzo Ciano meet to discuss Benito Mussolini's disastrous Italian invasion of Greece. |