| 89131 | August 6 | Holiday and observance | Christian feast day:Feast of the Transfiguration of JesusJustus and PastorAugust 6 (Eastern Orthodox liturgics) |
| 89132 | August 6 | Holiday and observance | H.H. Sheikh Zayed bin Sultan Al Nahyan's Accession Day. (United Arab Emirates) |
| 89133 | August 6 | Holiday and observance | Independence Day (Bolivia), celebrates the independence of Bolivia from Spain in 1825. |
| 89134 | August 6 | Holiday and observance | Independence Day (Jamaica), celebrates the independence of Jamaica from the United Kingdom in 1962. |
| 89135 | August 6 | Holiday and observance | Hiroshima Peace Memorial Ceremony (Hiroshima, Japan) |
| 89136 | August 7 | Event | 322 BC – Battle of Crannon between Athens and Macedonia. |
| 89137 | August 7 | Event | 461 – Roman Emperor Majorian is beheaded near the river Iria in north-west Italy following his arrest and deposition by the magister militum Ricimer. |
| 89138 | August 7 | Event | 626 – The Avar and Slav armies leave the siege of Constantinople. |
| 89139 | August 7 | Event | 936 – Coronation of King Otto I of Germany. |
| 89140 | August 7 | Event | 1420 – Construction of the dome of Santa Maria del Fiore begins in Florence. |
| 89141 | August 7 | Event | 1427 – The Visconti of Milan's fleet is destroyed by the Venetians on the Po River. |
| 89142 | August 7 | Event | 1461 – The Ming dynasty Chinese military general Cao Qin stages a coup against the Tianshun Emperor. |
| 89143 | August 7 | Event | 1679 – The brigantine Le Griffon, commissioned by René-Robert Cavelier, Sieur de La Salle, is towed to the south-eastern end of the Niagara River, to become the first ship to sail the upper Great Lakes of North America. |
| 89144 | August 7 | Event | 1714 – The Battle of Gangut: The first important victory of the Russian Navy. |
| 89145 | August 7 | Event | 1782 – George Washington orders the creation of the Badge of Military Merit to honor soldiers wounded in battle. It is later renamed to the more poetic Purple Heart. |
| 89146 | August 7 | Event | 1789 – The United States Department of War is established. |
| 89147 | August 7 | Event | 1791 – American troops destroy the Miami town of Kenapacomaqua near the site of present-day Logansport, Indiana in the Northwest Indian War. |
| 89148 | August 7 | Event | 1794 – U.S. President George Washington invokes the Militia Acts of 1792 to suppress the Whiskey Rebellion in western Pennsylvania. |
| 89149 | August 7 | Event | 1819 – Simón Bolívar triumphs over Spain in the Battle of Boyacá. |
| 89150 | August 7 | Event | 1858 – The first Australian rules football match is played between Melbourne Grammar and Scotch College. |
| 89151 | August 7 | Event | 1879 – The opening of the Poor Man's Palace in Manchester, England. |
| 89152 | August 7 | Event | 1890 – Anna Månsdotter becomes the last woman in Sweden to be executed, for the 1889 Yngsjö murder. |
| 89153 | August 7 | Event | 1909 – Alice Huyler Ramsey and three friends become the first women to complete a transcontinental auto trip, taking 59 days to travel from New York, New York to San Francisco, California. |
| 89154 | August 7 | Event | 1927 – The Peace Bridge opens between Fort Erie, Ontario and Buffalo, New York. |
| 89155 | August 7 | Event | 1930 – The last confirmed lynching of blacks in the Northern United States occurs in Marion, Indiana. Two men, Thomas Shipp and Abram Smith, are killed. |
| 89156 | August 7 | Event | 1933 – The Simele massacre: The Iraqi government slaughters over 3,000 Assyrians in the village of Simele. The day becomes known as Assyrian Martyrs Day. |
| 89157 | August 7 | Event | 1938 – The Holocaust: The building of Mauthausen concentration camp begins. |
| 89158 | August 7 | Event | 1940 – World War II: Alsace-Lorraine is annexed by the Third Reich. |
| 89159 | August 7 | Event | 1942 – World War II: The Battle of Guadalcanal begins as the United States Marines initiate the first American offensive of the war with landings on Guadalcanal and Tulagi in the Solomon Islands. |
| 89160 | August 7 | Event | 1944 – IBM dedicates the first program-controlled calculator, the Automatic Sequence Controlled Calculator (known best as the Harvard Mark I). |