| 105838 | September 16 | Event | 2007 – Mercenaries working for Blackwater Worldwide shoot and kill 17 Iraqis in Nisour Square, Baghdad all criminal charges against them are later dismissed, however they are later tried and convicted of the crime. |
| 105839 | September 16 | Event | 2013 – A gunman kills twelve people at the Navy Yard in Washington, D.C. |
| 105840 | September 16 | Event | 2014 – The Islamic State of Iraq and the Levant launches its Kobani offensive against Syrian–Kurdish forces. |
| 105811 | September 16 | Event | 1940 – World War II: Italian troops conquer Sidi Barrani. |
| 105812 | September 16 | Event | 1941 – World War II: Concerned that Reza Shah Pahlavi, the Shah of Iran, was about to ally his petroleum-rich empire with Nazi Germany, the United Kingdom and the Soviet Union invade Iran in late August and force the Shah to abdicate in favor of his son, |
| 105813 | September 16 | Event | 1943 – World War II: The Allied invasion of Italy concludes when Heinrich von Vietinghoff, commander of the German Tenth Army, orders his troops to withdraw from Salerno. |
| 105814 | September 16 | Event | 1945 – World War II: The surrender of the Japanese troops in Hong Kong is accepted by Royal Navy Admiral Sir Cecil Harcourt. |
| 105815 | September 16 | Event | 1947 – Typhoon Kathleen hits Saitama, Tokyo and Tone River area, at least 1,930 killed. |
| 105816 | September 16 | Event | 1955 – The military coup to unseat President Juan Perón of Argentina is launched at midnight. |
| 105817 | September 16 | Event | 1955 – A Soviet Navy Zulu-class submarine becomes the first to launch a ballistic missile. |
| 105818 | September 16 | Event | 1959 – The first successful photocopier, the Xerox 914, is introduced in a demonstration on live television from New York City. |
| 105819 | September 16 | Event | 1961 – The United States National Hurricane Research Project drops eight cylinders of silver iodide into the eyewall of Hurricane Esther. Wind speed reduces by 10%, giving rise to Project Stormfury. |
| 105820 | September 16 | Event | 1961 – Typhoon Nancy, with possibly the strongest winds ever measured in a tropical cyclone, makes landfall in Osaka, Japan, killing 173 people. |
| 105821 | September 16 | Event | 1963 – Malaysia is formed from the Federation of Malaya, Singapore, North Borneo (Sabah) and Sarawak. However, Singapore soon leaves this new country. |
| 105822 | September 16 | Event | 1966 – The Metropolitan Opera House opens at Lincoln Center in New York City with the world premiere of Samuel Barber's opera Antony and Cleopatra. |
| 105823 | September 16 | Event | 1970 – King Hussein of Jordan declares military rule following the hijacking of four civilian airliners by the Popular Front for the Liberation of Palestine (PFLP). This results in the formation of the Black September Palestinian paramilitary unit. |
| 105824 | September 16 | Event | 1975 – Papua New Guinea gains independence from Australia. |
| 105825 | September 16 | Event | 1975 – Cape Verde, Mozambique, and São Tomé and Príncipe join the United Nations. |
| 105826 | September 16 | Event | 1975 – The first prototype of the Mikoyan MiG-31 interceptor makes its maiden flight. |
| 105827 | September 16 | Event | 1976 – Armenian champion swimmer Shavarsh Karapetyan saves 20 people from a trolleybus that had fallen into a Yerevan reservoir. |
| 105828 | September 16 | Event | 1978 – An earthquake measuring 7.5 to 7.9 on the Richter scale hits the city of Tabas, Iran killing about 25,000 people. |
| 105829 | September 16 | Event | 1980 – Saint Vincent and the Grenadines join the United Nations. |
| 105830 | September 16 | Event | 1982 – Lebanon War: The Sabra and Shatila massacre in Lebanon takes place. |
| 105831 | September 16 | Event | 1987 – The Montreal Protocol is signed to protect the ozone layer from depletion. |
| 105832 | September 16 | Event | 1990 – The railroad between the People's Republic of China and Kazakhstan is completed at Dostyk, adding a sizable link to the concept of the Eurasian Land Bridge. |
| 105833 | September 16 | Event | 1992 – The trial of the deposed Panamanian dictator Manuel Noriega ends in the United States with a 40-year sentence for drug trafficking and money laundering. |
| 105834 | September 16 | Event | 1992 – Black Wednesday: The pound is forced out of the European Exchange Rate Mechanism by currency speculators and is forced to devalue against the German mark. |
| 105835 | September 16 | Event | 1994 – The British government lifts the broadcasting ban imposed against members of Sinn Féin and Irish paramilitary groups in 1988. |
| 105836 | September 16 | Event | 2005 – The Camorra organized crime boss Paolo Di Lauro is arrested in Naples, Italy. |
| 105837 | September 16 | Event | 2007 – One-Two-GO Airlines Flight 269 carrying 128 crew and passengers crashes in Thailand killing 89 people. |