Ruler · 1382 – 1439

Frederick IV of Austria

Lived 1382 – 1439. Duke of Duchies of Silesia, 1406 – 1439.

Wikidata's English label: Frederick IV, Duke of Austria.

For the full story, the article on Wikipedia (CC BY-SA 4.0); this page holds what the record says of the reign.

Lived: 1382 – 1439; 57 years
In office: 33 years; one reign
Lines: 1; Duchies of Silesia
Left it: died in office; read off the dates alone

Duke

Duchies of Silesia · the 7th of 28 dated reigns · 1298 – 1799

3 before

Otto V of Bavaria1349 – 1351

Alexander I of Imereti1372 – 1387

William, Duke of Austria1386 – 1406

Frederick IV of Austria1406 – 1439

Antonio II Acciaioli1439 – 1441

Sigismund, Archduke of Austria1446 – 1490

George, Duke of Saxony1500 – 1539

18 after

killed, executed or dead in battledied in officeleft alive by a regular roadending not on recorda second row: a reign that began before the last had ended — rival claimants, or a shared thronethis entry

Reigned 1406 – 1439 · 33 years · came to it aged 24

Came to it: the sibling of the ruler before, on record
Left it: died in officeread off the dates alone: the term ends in 1439, the year they died

Open in the atlas

Frederick IV of Austria in the atlas: the article, every line they sat in, and the map in their years.
Analyse the succession of Duchies of Silesia: every reign, how each ended, and the numbers over them.
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Wikidata Q550692 (CC0) · the reigns from Wikidata's P39 terms, the rulers' own articles read by grammar (sentences quoted above, CC BY-SA 4.0) and Kokkonen & Sundell where they code the line · data built 2026-10-06 · Pastlas v2.9.1, by Oleh Voronko. The published atlas and its data are for non-commercial use.