Alternate History

List of Kings of The Kingdoms of Austria & Bohemia (The Kalmar Union)

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As per tradition the kingdoms of Austria and Bohemia are held in personal union. Bohemia's crown dates (officially) from 1212. Austria's a more recent 1898.


Austria was originally a march (margraviate) within Bavaria.

House of Babenberg
Leopold I Herzog Leopold I. Babenberg (976-994)
Henry I Herzog Heinrich I. Babenberg (994-1018
Adalbert Adalbert der Siegreiche (1018-1055)
Ernest Ernst II. der Tapfere (1055-1075)
Leopold II Herzog Leopold II. Babenberg (1075-1095)
Leopold III Herzog Leopold III. Babenberg (1095-1136)
Leopold IV Markgraf Leopold IV. Babenberg (1137-1141)
Henry II Herzog Heinrich II. Babenberg (1141-1156)

The 1156 Prviliegium Minus elevates the March to a Duchy, making it independent of Bavaria.

House of Babenberg
Henry II Herzog Heinrich II. Babenberg (1156-1177)
Leopold V Herzog Leopold V. Babenberg (1177-1194)
Frederick I Herzog Friedrich I. der Christliche (1195-1198)
Leopold VI Herzog Leopold VI. Babenberg (1198-1230)
Frederick II Herzog Friedrich II. Babenberg (1230-1246)

After Frederick's death Austria is disputed between various claimants, the longest lasting being Ottokar II of Bohemia (1251-1278). He is eventually defeated by Emperor Rudolph I who would divide his lands between his sons.

House of Hapsburg
Rudolph I Rudolph I HRE (The Kalmar Union) (1278-1282)
Albert I (1282-1308)
Rudolph II (1282-1283)
Rudolph III (1282-1307)
Frederick I (1308-1330)
Leopold I (1308-1326)
Albert II (1330-1358)
Otto I (1330-1339)
Frederick II (1339-1344)
Leopold II (1339-1344)
Rudolph IV (1358-1365)
Albert III (1365-1379)

Albert's three sons divide the duchy (the title of Archduke was a 1359 fabrication which was only confirmed in 1513 when Austria was reunited). The death of his cousins without heirs allows Sigismund, duke of Inner Austria, to reunite the lands over the course of his rule.

House of Hapsburg
Sigismund (1513-1524)
Maximilian I (1524-1543)
Maximilian II (1543-1569)
Albert IV (1569-1580)
Frederick III

Emperor Frederick VI

Charles I

Emperor Charles VI

Rudolph II

Emperor Rudolph II

Rudolph III

Emperor Rudolph III

Charles II (1687-1702)

Emperor Rupert

Maximilian III (1748-1750)
Frederick III (1750-1769)
Leopold III (1769-1800)
Maximilian IV (1800-1816)
Charles III (1816-1842)

Emperor George

Leopold IV (1864-1896)
Charles IV (1896-1898)

After much bartering in the Imperial Diet the title of King of Austria is finally bestowed on the Archdukes in 1898, though this came with the provision, occasionally contested, that they should not pursue an additional electorate for Austria.

House of Hapsburg
Charles I (1898-1905)
Leopold I (1905-1908)
Leopold II (1908-1920)
Charles II

Emperor Charles VIII

Ferdinand I; Keizer van Oostenrijk (1920-1955)
Leopold III (1955-1987)
Leopold IV (1987-2009)
Leopold V (2009-)



The Kings of Bohemia are usually dated from 1212 when the title was confirmed by the Sicilian Bull, though an illustrious line of Dukes stretches back to the early 9th century. Previous dukes did claim the title of king however it was not a hereditary title.

House of Premyslid
Ottokar I PremyslOtakarI Parleruvnahrobek (1198-1230)
Wenceslaus I VaclavGelnhausenovekodexu (1230-1253)
Ottokar II
Ottokar II Premysl
Wenceslaus II Codex Manesse Wenzel II. von Böhmen (1278-1305)
Wenceslaus III
House of Meinhardiner
Henry I
JindrichKorutansky pecet1303
(1306, 1307-1310)
House of Hapsburg
Rudolph I (1306-1307)

John of Luxembourg marries Elizabeth, the last heir of Wenceslaus II.

House of Luxembourg
John I John I Luxem (The Kalmar Union) (1310-1346)
Charles I Charles I Luxem (The Kalmar Union) (1346-1374)
Wenceslaus IV

Emperor Wenceslaus

Wenceslaus I Luxem (The Kalmar Union) (1374-1400)
Charles II

Emperor Charles IV

Charles II Luxem (The Kalmar Union) (1400-1426)
Sigismund I

Emperor Sigismund I

Sigismund I Luxem (The Kalmar Union) (1426-1437)

Emperor Matthew

Matthew Luxem (The Kalmar Union) (1437-1444)
John II John II Luxem (The Kalmar Union) (1444-1478)
Sigismund II

Emperor Sigismund II

Sigismund II Luxem (The Kalmar Union) (1478-1502)
John III

Emperor John I

John III Luxem (The Kalmar Union) (1502-1536)
Wenceslaus V Wenceslaus II Luxem (The Kalmar Union) (1536-1540)
Henry II of Prague

Queen Joanna as regent


The death of Henry of Prague before he can reach his majority gives the Bohemian magnates, an opportunity to break with Luxembourg rule. Maximilian II of Austria is elected.

House of Hapsburg
Maximilian I (1543-1569)
Albert I (1569-1580)
Frederick I

Emperor Frederick VI

Charles III

Emperor Charles VI


During the Bohemian Revolt which began the Fifty Years War the Protestant Bohemian nobles rejected the Austrian archduke and with Schmalkaldic support elected William-George, Duke of Oldenburg King of Bohemia. His rule lasted only until the Catholic Empire marshals its forces and reconquers Bohemia.

House of Oldenburg
William George William-George Old (The Kalmar Union) (1618-1621)

In Pretense

Catherine of Oldenburg (The Kalmar Union) (1629-1668)

The Treaty of Copenhagen returns Bohemia to Luxembourg rule, a sop to offset their loss of Brandenburg and a snub to Austria.

House of Luxembourg
Henry III Henry X Luxem (The Kalmar Union) (1668-1669)
John IV

Emperor John II

John IV Luxem (The Kalmar Union) (1669-1680)

While John IV is on his apparent deathbed (he recovers) the Prague Diet decides they will not accept the reactionary and widely despised Prince Charles of Utrecht as his successor. The nobles reach out to Austria. Archduke (and Emperor) Rudolph III is confirmed as king after the brief and indecisive War of Bohemian Succession.

House of Hapsburg
Rudolph II

Emperor Rudolph III

Charles IV (1687-1702)

Emperor Rupert

Maximilian II (1748-1750)
Frederick III (1750-1769)
Leopold I (1769-1800)
Maximilian III (1800-1816)
Charles V (1816-1842)

Emperor George

Leopold II (1864-1896)
Charles VI (1896-1898)
Leopold III (1905-1908)
Leopold IV (1908-1920)
Charles VII

Emperor Charles VIII

Ferdinand I; Keizer van Oostenrijk (1920-1955)
Leopold V (1955-1987)
Leopold VI (1987-2009)
Leopold VII (2009-)

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