Francis II, Holy Roman Emperor
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 Holy Roman Empire of the German Nation after the decisive defeat at the hands of the First French Empire led by Napoleon at the Battle of Austerlitz. In 1804, he had founded the Austrian Empire and became Francis I, the first Emperor of Austria, ruling from 1804 to 1835, so later he was named the one and only "Doppelkaiser" (double emperor) in history.
For the two years between 1804 and 1806, Francis used the title and style "by the Grace of God elected Roman Emperor, ever Augustus, hereditary Emperor of Austria" and he was called the "Emperor of both the Holy Roman Empire and Austria". He was also Apostolic King of Hungary and Bohemia as Francis I. He also served as the first president of the German Confederation following its establishment in 1815.
European wars of religion
The Holy Roman Empire, encompassing present-day Germany and surrounding territory, was the area most devastated by the wars of religion. The Empire was a fragmented collection of practically independent states with an elected Holy Roman Emperor as their titular ruler; after the 14th century, this position was usually held by a Habsburg. The Austrian House of Habsburg, who remained Catholic, was a major European power in its own right, ruling over some eight million subjects in present-day Germany, Austria, Bohemia and Hungary. The Empire also contained regional powers, such as Bavaria, the Electorate of Saxony, the Margraviate of Brandenburg, the Electorate of the Palatinate, the Landgraviate of Hesse, the Archbishopric of Trier, and Württemberg. A vast number of minor independent duchies, free imperial cities, abbeys, bishoprics, and small lordships of sovereign families rounded out the Empire.