August 23rd:
According to Wikipedia and other sources, on August 23rd:
79 – Mount Vesuvius begins stirring, on the feast day of Vulcan, the Roman god of fire.
1541 – French explorer Jacques Cartier lands near Quebec City in his third voyage to Canada.
1784 – Western North Carolina (now eastern Tennessee) declares itself an independent state under the name of Franklin; it is not accepted into the United States, and only lasts for four years.
1799 – Napoleon leaves Egypt for France en route to seizing power.
1904 – The automobile tire chain is patented.