Albrecht von Wallenstein
Overview
 
Albrecht Wenzel Eusebius von Wallenstein , actually von Waldstein, was a Bohemia
Bohemia
Bohemia is a historical region in central Europe, occupying the western two-thirds of the traditional Czech Lands. It is located in the contemporary Czech Republic with its capital in Prague...

n soldier and politician, who offered his services, and an army of 30,000 to 100,000 men during the Danish period (1625–29) of the Thirty Years' War
Thirty Years' War
The Thirty Years' War was fought primarily in what is now Germany, and at various points involved most countries in Europe. It was one of the most destructive conflicts in European history....

 (1618–48), to the Holy Roman Emperor
Holy Roman Emperor
The Holy Roman Emperor is a term used by historians to denote a medieval ruler who, as German King, had also received the title of "Emperor of the Romans" from the Pope...

 Ferdinand II
Ferdinand II, Holy Roman Emperor
Ferdinand II , a member of the House of Habsburg, was Holy Roman Emperor , King of Bohemia , and King of Hungary . His rule coincided with the Thirty Years' War.- Life :...

. He became the supreme commander of the armies of the Habsburg Monarchy
Habsburg Monarchy
The Habsburg Monarchy covered the territories ruled by the junior Austrian branch of the House of Habsburg , and then by the successor House of Habsburg-Lorraine , between 1526 and 1867/1918. The Imperial capital was Vienna, except from 1583 to 1611, when it was moved to Prague...

 and one of the major figures of the Thirty Years' War.

A successful generalissimo
Generalissimo
Generalissimo and Generalissimus are military ranks of the highest degree, superior to Field Marshal and other five-star ranks.-Usage:...

 who had made himself ruler of the lands of the Duchy of Friedland
Duchy of Friedland
Duchy of Friedland was a de-facto sovereign duchy in Bohemia. It was created in 1627 and disappeared in 1634, after death of the ruler, Albrecht von Wallenstein...

 in northern Bohemia
Bohemia
Bohemia is a historical region in central Europe, occupying the western two-thirds of the traditional Czech Lands. It is located in the contemporary Czech Republic with its capital in Prague...

, Wallenstein found himself released from service in 1630 after Ferdinand grew wary of his ambition.
 
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