Original: Francis II (12 February 1768   2 March 1835) was the last Holy Roman Emperor, ruling from 1792 until 6 August 1806, when he dissolved the Empire after the disastrous defeat of the Third Coalition by Napoleon at the Battle of Austerlitz.
Simplified: He was the last Holy Roman Emperor, ruling from 1792 until August 6, 1806, when the Empire was no longer a unit.