Question: When were the revolutions that Joanneum was named after this member of the House of Habsburg-Lorraine?
Sentence (from "Archduke John of Austria"): Archduke John of Austria (German: "Erzherzog Johann Baptist Joseph Fabian Sebastian von Österreich" ; 20 January 1782 – 11 May 1859), a member of the House of Habsburg-Lorraine, was an Austrian field marshal and Imperial regent ("Reichsverweser") of the short-lived German Empire during the Revolutions of 1848.
Relevant evidence: Yes