He was promoted to the rank of colonel in the regiment of Normandy in 1643, and three years later, after distinguishing himself at the siege of Orbitello, where he had an arm broken, he was made marechal de camp. His service seems to have been continuous until the conclusion of the peace of Westphalia in 1648, when he returned to his father's house in Paris and married, without the consent of her parents, Anne de la Grange-Trianon, a girl of great beauty, who later became the friend and confidante of Madame de Montpensier.
After the peace of Westphalia Stralsund was ceded with the rest of Western Pomerania to Sweden; and for more than a century and a half it was exposed to attack and capture as the tete - de - pont of the Swedes in continental Europe.
The peace Of IJtrecht was to France what the peace of Westphalia had been to Austria, and curtailed the former acquisitions of Louis XIV.
Although the pontificate of Innocent witnessed the conversion of many Protestant princes, the most notable being Queen Christina of Sweden, the papacy had nevertheless suffered a perceptible decline in prestige; it counted for little in the negotiations at Minster, and its solemn protest against the peace of Westphalia was entirely ignored.
At the peace of Westphalia they claimed the duchy, in opposition to the elector of Brandenburg, and the result was that the latter was obliged to content himself with eastern Pomerania (Hinterpommern), and to see the western part (Vorpommern) awarded to Sweden.
The Fronde was at an end by 1653; the peace of Westphalia (1648) and the peace of the Pyrenees (16J9) marked the success of the arms and of the diplomacy of France.
This roused the jealousy of the United Provinces, and they made a separate peace with Spain in January 1648; but the valour of the French generals made the skill of the Spanish diplomatists of no avail, for Turenne's victory at Zusmarshausen, and Conde's at Lens, caused the peace of Westphalia to be definitely signed in October 1648.
By the Peace of Westphalia in 1648 an eighth electorate was created for the count palatine, to which was added the office of treasurer.
At the peace of Westphalia in 1648 Metz, with Toul and Verdun, was formally ceded to France, in whose possession it remained for upwards of two centuries.
It came into the possession of Spain, although it remained formally a portion of the Empire until its cession at the peace of Westphalia in 1648.