"Frederick III (21 September 1415 – 19 August 1493) was Holy Roman Emperor from 1452 until his death. He was the first emperor of the House of Habsburg, and the fourth member of the House of Habsburg to be elected King of Germany after Rudolf I of Germany, Albert I in the 13th century and his predecessor Albert II of Germany. He was the penultimate emperor to be crowned by the Pope, and the last to be crowned in Rome.
Prior to his imperial coronation, he was duke of the Inner Austrian lands of Styria, Carinthia and Carniola from 1424, and also acted as regent over the Duchy of Austria (as Frederick V) from 1439. He was elected and crowned King of Germany (as Frederick IV) in 1440. He was the longest-reigning German monarch when in 1493, after ruling his domains for more than 53 years, he was succeeded by his son Maximilian I." - (en.wikipedia.org 23.03.2020)
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