He commanded the 13th Division, with headquarters at Münster, in Westphalia, in 1834 during riots caused by differences between the Archbishop of Cologne and the Crown, and the determination and the resolution with which he treated the clerical party prevented serious trouble.
[2] In 1848, Wrangel commanded the II Corps of the army of the German Confederation during the First Schleswig War, was promoted to General of Cavalry and won several battles.
However, the Danes rejected that proposal, and negotiations were broken off, and after painful hesitation, Prussia signed a convention at Malmö that yielded to practically all of the Danish demands on 26 August 1848.
[citation needed] Wrangel's insubordination was not counted against him when, in the autumn, he was summoned to Berlin to suppress its riots during the German revolutions of 1848–49.
As governor of Berlin and commander-in-chief of Brandenburg (appointments that he held until his death), he proclaimed a state of siege and ejected the Liberal president and the members of the Chamber.
[2] From then on, Wrangel was most prominent in connection with the revival of the Prussian cavalry from the neglect and inefficiency into which it had fallen during the years of peace and poverty since 1815.