| 92311 | August 15 | Event | 1511 – Afonso de Albuquerque of Portugal conquers Malacca, the capital of the Malacca Sultanate. |
| 92312 | August 15 | Event | 1517 – Seven Portuguese armed vessels led by Fernão Pires de Andrade meet Chinese officials at the Pearl River estuary. |
| 92313 | August 15 | Event | 1519 – Panama City, Panama, is founded. |
| 92314 | August 15 | Event | 1534 – Ignatius of Loyola and six classmates take initial vows, leading to the creation of the Society of Jesus in September 1540. |
| 92315 | August 15 | Event | 1537 – Asunción, Paraguay, is founded. |
| 92316 | August 15 | Event | 1540 – Arequipa, Peru, is founded. |
| 92317 | August 15 | Event | 1549 – Jesuit priest Francis Xavier comes ashore at Kagoshima (Traditional Japanese date: July 22, 1549). |
| 92318 | August 15 | Event | 1599 – Nine Years' War: Battle of Curlew Pass – Irish forces led by Hugh Roe O'Donnell successfully ambush English forces, led by Sir Conyers Clifford, sent to relieve Collooney Castle. |
| 92319 | August 15 | Event | 1695 – French forces end the bombardment of Brussels, leaving a third of the buildings in the city in ruins. |
| 92320 | August 15 | Event | 1760 – Seven Years' War: Battle of Liegnitz – Frederick the Great's victory over the Austrians under Ernst Gideon von Laudon. |
| 92321 | August 15 | Event | 1812 – War of 1812: The Battle of Fort Dearborn is fought between United States troops and Potawatomi at what is now Chicago. |
| 92322 | August 15 | Event | 1824 – The Marquis de Lafayette, the last surviving French general of the American Revolutionary War, arrives in New York and begins a tour of 24 states. |
| 92323 | August 15 | Event | 1843 – The Cathedral of Our Lady of Peace in Honolulu, Hawaii is dedicated. Now the cathedral of the Roman Catholic Diocese of Honolulu, it is the oldest Roman Catholic cathedral in continuous use in the United States. |
| 92324 | August 15 | Event | 1843 – Tivoli Gardens, one of the oldest still intact amusement parks in the world, opens in Copenhagen, Denmark. |
| 92325 | August 15 | Event | 1863 – The Anglo-Satsuma War begins between the Satsuma Domain of Japan and the United Kingdom (Traditional Japanese date: July 2, 1863). |
| 92326 | August 15 | Event | 1869 – The Meiji government in Japan establishes six new ministries, including one for Shinto. |
| 92327 | August 15 | Event | 1893 – Ibadan area becomes a British Protectorate after a treaty signed by Fijabi, the Baale of Ibadan with the British acting Governor of Lagos, George C. Denton. |
| 92328 | August 15 | Event | 1907 – Ordination in Constantinople of Fr. Raphael Morgan, the first African-American Orthodox priest, "Priest-Apostolic" to America and the West Indies. |
| 92329 | August 15 | Event | 1914 – A male servant of American architect Frank Lloyd Wright sets fire to the living quarters of the latter's Wisconsin home, Taliesin, murders seven people and burns the living quarters to the ground. |
| 92330 | August 15 | Event | 1914 – The Panama Canal opens to traffic with the transit of the cargo ship SS Ancon. |
| 92331 | August 15 | Event | 1914 – World War I: The First Russian Army, led by Paul von Rennenkampf, enters East Prussia. |
| 92332 | August 15 | Event | 1914 – World War I: Beginning of the Battle of Cer, the first Allied victory of World War I. |
| 92333 | August 15 | Event | 1915 – A story in New York World newspaper reveals that the Imperial German government had purchased excess phenol from Thomas Edison that could be used to make explosives for the war effort and diverted it to Bayer for aspirin production. |
| 92334 | August 15 | Event | 1920 – Polish–Soviet War: Battle of Warsaw, so-called Miracle at the Vistula. |
| 92335 | August 15 | Event | 1935 – Will Rogers and Wiley Post are killed after their aircraft develops engine problems during takeoff in Barrow, Alaska. |
| 92336 | August 15 | Event | 1939 – Thirteen Stukas dive into the ground during a disastrous air-practice at Neuhammer. There are no survivors. |
| 92337 | August 15 | Event | 1939 – The Wizard of Oz premieres at Grauman's Chinese Theater in Los Angeles, California. |
| 92338 | August 15 | Event | 1940 – An Italian submarine torpedoes and sinks the Greek cruiser Elli at Tinos harbor during peacetime, marking the most serious Italian provocation prior to the outbreak of the Greco-Italian War in October. |
| 92339 | August 15 | Event | 1941 – Corporal Josef Jakobs is executed by firing squad at the Tower of London at 07:12, making him the last person to be executed at the Tower for espionage. |
| 92340 | August 15 | Event | 1942 – World War II: Operation Pedestal: The SS Ohio reaches the island of Malta barely afloat carrying vital fuel supplies for the island's defenses. |