| 91501 | August 13 | Event | 1779 – American Revolutionary War: The Royal Navy defeats the Penobscot Expedition with the most significant loss of United States naval forces prior to the attack on Pearl Harbor. |
| 91502 | August 13 | Event | 1792 – King Louis XVI of France is formally arrested by the National Tribunal, and declared an enemy of the people. |
| 91503 | August 13 | Event | 1806 – Battle of Mišar during the Serbian Revolution begins. The battle will end two days later, with a decisive Serbian victory over the Ottomans. |
| 91504 | August 13 | Event | 1814 – The Convention of London, a treaty between the United Kingdom and the United Provinces, is signed in London, England. |
| 91505 | August 13 | Event | 1831 – Nat Turner sees a solar eclipse, which he believes is a sign from God. Eight days later he and 70 other slaves kill approximately 55 whites in Southampton County, Virginia. |
| 91506 | August 13 | Event | 1868 – A massive earthquake near Arica, Peru, causes an estimated 25,000 casualties, and the subsequent tsunami causes considerable damage as far away as Hawaii and New Zealand. |
| 91507 | August 13 | Event | 1876 – The premiere of Wagner's Ring Cycle, at the recently completed Bayreuth Festspielhaus, was performed over the next several days. |
| 91508 | August 13 | Event | 1898 – Spanish–American War: Spanish and American forces engaged in a mock battle for Manila, after which the Spanish commander surrendered in order to keep the city out of Filipino rebel hands. |
| 91509 | August 13 | Event | 1898 – Carl Gustav Witt discovers 433 Eros, the first near-Earth asteroid to be found. |
| 91510 | August 13 | Event | 1906 – The all black infantrymen of the U.S. Army's 25th Infantry Regiment are accused of killing a white bartender and wounding a white police officer in Brownsville, Texas, despite exculpatory evidence all are later dishonorably discharged. |
| 91511 | August 13 | Event | 1913 – Otto Witte, an acrobat, is purportedly crowned King of Albania. |
| 91512 | August 13 | Event | 1913 – First production in the UK of stainless steel by Harry Brearley. |
| 91513 | August 13 | Event | 1918 – Women enlist in the United States Marine Corps for the first time. Opha May Johnson is the first woman to enlist. |
| 91514 | August 13 | Event | 1918 – Bayerische Motoren Werke AG (BMW) established as a public company in Germany. |
| 91515 | August 13 | Event | 1920 – Polish–Soviet War: The Battle of Warsaw begins and will last till August 25. The Red Army is defeated. |
| 91516 | August 13 | Event | 1937 – The Battle of Shanghai begins. |
| 91517 | August 13 | Event | 1942 – Major General Eugene Reybold of the U.S. Army Corps of Engineers authorizes the construction of facilities that would house the "Development of Substitute Materials" project, better known as the Manhattan Project. |
| 91518 | August 13 | Event | 1942 – Walt Disney's fifth full-length animated film, Bambi, was released to theaters. |
| 91519 | August 13 | Event | 1954 – Radio Pakistan broadcasts the "Qaumī Tarāna", the national anthem of Pakistan for the first time. |
| 91520 | August 13 | Event | 1960 – The Central African Republic declares independence from France. |
| 91521 | August 13 | Event | 1961 – East Germany closes the border between the eastern and western sectors of Berlin to thwart its inhabitants' attempts to escape to the West. |
| 91522 | August 13 | Event | 1964 – Peter Allen and Gwynne Evans are hanged for the Murder of John Alan West becoming the last people executed in the United Kingdom. |
| 91523 | August 13 | Event | 1968 – Alexandros Panagoulis attempts to assassinate the Greek dictator Colonel Georgios Papadopoulos in Varkiza, Athens. |
| 91524 | August 13 | Event | 1969 – The Apollo 11 astronauts are released from a three-week quarantine to enjoy a ticker tape parade in New York City That evening, at a state dinner in Los Angeles, they are awarded the Presidential Medal of Freedom by U.S. President Richard Nixon. |
| 91525 | August 13 | Event | 1977 – Members of the British National Front (NF) clash with anti-NF demonstrators in Lewisham, London, resulting in 214 arrests and at least 111 injuries. |
| 91526 | August 13 | Event | 1978 – One hundred fifty Palestinians in Beirut are killed in a terrorist attack during the second phase of the Lebanese Civil War. |
| 91527 | August 13 | Event | 1979 – The roof of the uncompleted Rosemont Horizon in Rosemont, Illinois, collapses, killing five workers and injuring 16. |
| 91528 | August 13 | Event | 2004 – Hurricane Charley, a Category 4 storm, strikes Punta Gorda, Florida, and devastates the surrounding area. |
| 91529 | August 13 | Event | 2004 – One hundred fifty-six Congolese Tutsi refugees are massacred at the Gatumba refugee camp in Burundi. |
| 91530 | August 13 | Event | 2008 – South Ossetian War: Russian units occupy the Georgian city of Gori. |