| 88741 | August 6 | Event | 1825 – Bolivia gains independence from Spain. |
| 88742 | August 6 | Event | 1861 – The United Kingdom annexes Lagos, Nigeria. |
| 88743 | August 6 | Event | 1862 – American Civil War: The Confederate ironclad CSS Arkansas is scuttled on the Mississippi River after suffering catastrophic engine failure near Baton Rouge, Louisiana. |
| 88744 | August 6 | Event | 1870 – Franco-Prussian War: The Battle of Spicheren is fought, resulting in a Prussian victory. |
| 88745 | August 6 | Event | 1870 – Franco-Prussian War: The Battle of Wörth results in a decisive Prussian victory. |
| 88746 | August 6 | Event | 1890 – At Auburn Prison in New York, murderer William Kemmler becomes the first person to be executed by electric chair. |
| 88747 | August 6 | Event | 1901 – Kiowa land in Oklahoma is opened for white settlement, effectively dissolving the contiguous reservation. |
| 88748 | August 6 | Event | 1912 – The Bull Moose Party meets at the Chicago Coliseum. |
| 88749 | August 6 | Event | 1914 – World War I: First Battle of the Atlantic: Two days after the United Kingdom had declared war on Germany over the German invasion of Belgium, ten German U-boats leave their base in Heligoland to attack Royal Navy warships in the North Sea. |
| 88750 | August 6 | Event | 1914 – World War I: Serbia declares war on Germany Austria declares war on Russia. |
| 88751 | August 6 | Event | 1915 – World War I: Battle of Sari Bair: The Allies mount a diversionary attack timed to coincide with a major Allied landing of reinforcements at Suvla Bay. |
| 88752 | August 6 | Event | 1917 – World War I: Battle of Mărășești between the Romanian and German armies begins. |
| 88753 | August 6 | Event | 1926 – Gertrude Ederle becomes the first woman to swim across the English Channel. |
| 88754 | August 6 | Event | 1926 – In New York City, the Warner Bros.' Vitaphone system premieres with the movie Don Juan starring John Barrymore. |
| 88755 | August 6 | Event | 1930 – Judge Joseph Force Crater steps into a taxi in New York and disappears never to be seen again. |
| 88756 | August 6 | Event | 1940 – Estonia was illegally annexed by the Soviet Union. |
| 88757 | August 6 | Event | 1942 – Queen Wilhelmina of the Netherlands becomes the first reigning queen to address a joint session of the United States Congress. |
| 88758 | August 6 | Event | 1944 – The Warsaw Uprising occurs on August 1. It is brutally suppressed and all able-bodied men in Kraków are detained afterwards to prevent a similar uprising, the Kraków Uprising, that was planned but never carried out. |
| 88759 | August 6 | Event | 1945 – World War II: Hiroshima, Japan is devastated when the atomic bomb "Little Boy" is dropped by the United States B-29 Enola Gay. Around 70,000 people are killed instantly, and some tens of thousands die in subsequent years from burns and radiation po |
| 88760 | August 6 | Event | 1956 – After going bankrupt in 1955, the American broadcaster DuMont Television Network makes its final broadcast, a boxing match from St. Nicholas Arena in New York in the Boxing from St. Nicholas Arena series. |
| 88761 | August 6 | Event | 1960 – Cuban Revolution: Cuba nationalizes American and foreign-owned property in the nation. |
| 88762 | August 6 | Event | 1962 – Jamaica becomes independent from the United Kingdom. |
| 88763 | August 6 | Event | 1964 – Prometheus, a bristlecone pine and the world's oldest tree, is cut down. |
| 88764 | August 6 | Event | 1965 – US President Lyndon B. Johnson signs the Voting Rights Act of 1965 into law. |
| 88765 | August 6 | Event | 1976 – Zulfikar Ali Bhutto lays the foundation stone of Port Qasim, Karachi. |
| 88766 | August 6 | Event | 1986 – A low-pressure system that redeveloped off the New South Wales coast dumps a record 328 millimeters (13 inches) of rain in a day on Sydney, New South Wales, Australia. |
| 88767 | August 6 | Event | 1988 – The Tompkins Square Park Riot in New York City spurs a reform of the NYPD, held responsible for the event. |
| 88768 | August 6 | Event | 1990 – Gulf War: The United Nations Security Council orders a global trade embargo against Iraq in response to Iraq's invasion of Kuwait. |
| 88769 | August 6 | Event | 1991 – Tim Berners-Lee releases files describing his idea for the World Wide Web. WWW debuts as a publicly available service on the Internet. |
| 88770 | August 6 | Event | 1991 – Takako Doi, chair of the Social Democratic Party, becomes Japan's first female speaker of the House of Representatives. |