Aug 2 Samuel Briggs & his son, patent nail-making machine
Aug 4 The Treaty of Sistova is signed, ending the Ottoman-Habsburg wars.
United States Declaration of Independence
Aug 19Benjamin Banneker sends a copy of his Almanac and writes a letter to Thomas Jefferson criticizing his pro-slavery stance and requesting justice for African Americans using language from the Declaration of Independence
Aug 22 Haitian Slave Revolution begins under voodoo priest Boukman
Aug 26 John Fitch granted US patent for his working steamboat
Aug 30 HMS Pandora sank after running aground on a reef the previous day, on her return from her search for the Bounty and the mutineers who had taken her