Ferdinand III was Archduke of Austria, King of Hungary and Croatia from 1625, King of Bohemia from 1627 and Holy Roman Emperor from 1637 to his death.
Johann Reichsgraf von Aldringen was a Luxemburger who served in the armies of the Spanish Habsburgs and later the Austrian Habsburgs, especially during the Thirty Years' War.
Matthias Gallas, Graf von Campo und Herzog von Lucera was an Italian professional soldier during the Thirty Years' War. He distinguished himself in the first half of the war in service of the Catholic League, in the War of the Mantuan Succession, and as one of Albrecht von Wallenstein's Generals. After carrying out the dismissal and elimination of Wallenstein, Gallas became acting supreme commander of the Imperial Army three times between 1634 and 1647 but he never held the function or authority of a Generalissimo.
The Second Battle of Breitenfeld, also known as the First Battle of Leipzig, took place during the Thirty Years' War on 2 November 1642 at Breitenfeld, north-east of Leipzig in Germany. A Swedish Army commanded by Lennart Torstensson decisively defeated an Imperial Army under Archduke Leopold Wilhelm of Austria and his deputy Ottavio Piccolomini.
Ottavio Piccolomini, 1st Duke of Amalfi was an Italian nobleman whose military career included service as a Spanish general and then as a field marshal of the Holy Roman Empire.
The Peace of Prague, dated 30 May 1635 Old Style, was a significant turning point in the Thirty Years' War. Signed by John George I, Elector of Saxony, and Ferdinand II, Holy Roman Emperor, the terms ended Saxony's support for the anti-Imperial coalition led by Sweden.
The Battle of Jüterbog was fought in Jüterbog on 3 December 1644 between Sweden and the Holy Roman Empire, resulting in a Swedish victory. The cavalry of the main Imperial army tried to break out of its blockade by the Swedish in Magdeburg but was caught and mostly shattered by the Swedes.
The Battle of La Marfée, also known as the Battle of Sedan, took place on 6 July 1641, during the 1635 to 1659 Franco-Spanish War, a related conflict of the Thirty Years War.
The Battle of Chemnitz took place near the town of Chemnitz, in Electorate of Saxony, during the Thirty Years' War. Swedish forces under Johan Banér inflicted a crushing defeat on Rodolfo Giovanni Marazzino who commanded the Saxons and an Imperial detachment under Johann Christoph von Puchheim who was captured by the Swedes.
Peter Melander, Count of Holzappel was a German general who was a Protestant military leader in the Thirty Years' War until 1640 when he switched sides and even became Chief of the imperial army from 1647 until his death.
Carl von Rabenhaupt was a Bohemian Hussite nobleman who fought in Dutch and Hessian service during the Thirty Years War and came out of retirement to help the Dutch defend Groningen during the Franco-Dutch War. He made a name for himself as a siege specialist, taking or successfully defending many fortified cities along the Dutch-German border.
Melchior Graf von Gleichen und Hatzfeldt was an Imperial Field Marshal. He fought in the Thirty Years' War first under Albrecht von Wallenstein and Matthias Gallas, then received an independent command in Westphalia. Usually successful with a smaller corps on this secondary front and victorious at Vlotho and Dorsten, he lost at Wittstock and Jankau in his brief intermezzos as commander of major armies.
Johann von Götzen was a Lüneburg nobleman and Generalfeldmarschall who fought during the Thirty Years' War. He was married to Elisabeth of the Falke family, with whom he had two sons: Johann Sigismund, Count of Götzen (1622–1622) and Johann, Georg Count of Götzen (1623–1679).
Adam Erdmann Trčka of Lípa was a Bohemian nobleman and lieutenant field marshal, who fought during the course of the Thirty Years' War. He became a close associate of Imperial Generalissimo Albrecht von Wallenstein. He was killed along with other loyal officers and Wallenstein himself, in the so-called Eger Bloodbath, a culmination of the internal purge within the Holy Roman army.
Adrian von Enkevort was a Brabantine nobleman and Generalfeldmarschall who fought during the course of the Thirty Years' War and the Franco-Spanish War (1635–59). He followed his father's footsteps becoming an officer, his first success came in 1632 when he distinguished himself at the Battle of Lützen, receiving the rank of Oberstleutnant in the forces of the Holy Roman Empire. He was later sent to the Rhine front where he assisted Charles of Lorraine in reclaiming his lost realm. After a short spell in the Spanish invasion of Picardy, he returned to the Rhine where he was captured by the French, spending three years in captivity. Upon his return in 1641, he was promoted to Generalfeldmarschall and dispatched to Germany where he campaigned extensively. In 1648, he became the supreme commander of the Bavarian forces, serving in this capacity until the end of the war. He was subsequently ennobled and received the sum of 3,000 Goldguldens for his service during the war. He died in 1663.
The Battle of Kempen took place on 17 January 1642 during the Thirty Years' War, outside Kempen, Germany. A combined Franco-Hessian army, led by de Guébriant and von Eberstein respectively, defeated an Imperial force under General de Lamboy.
Johann Wilhelm von Hunolstein, also known as Hunoltstein or Hunoldstein, was a professional soldier in Lorrain, Bavarian and Imperial military service during the Thirty Years' War. Since 1643, he was part of the General Staff of the Imperial supreme commanders Gallas and Melander, and commanded himself the entire infantry of either the Imperial or the Bavarian field army.
Jan van der Croon, also called Jan della Croon, Johann de la Corona, or von der Cron, was a Dutch professional soldier and military commander in Spanish and Imperial service who reached the rank of lieutenant field marshal. Rising from a common soldier to an important officer, regiment holder, and city commander during the Thirty Years' War, he continued his career after the Peace of Westphalia in the military administration of Bohemia. For many years until his death, he served as city commander of Prague and vice military commander of Bohemia, strengthening fortifications and recruiting soldiers for the Second Northern War and the Austro-Turkish War.
The siege of Philippsburg was a French siege of the Rhine fortress of Philippsburg during the Thirty Years' War. After the battle of Freiburg in early August, the French under the Duc d'Enghien refrained from attacking the city and marched north to besiege the imperial-held Philippsburg instead. The place fell after a two-week siege.
Spain 
Holy Roman Empire 
