When were the revolutions that Joanneum was named after this member of the House of Habsburg-Lorraine?
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.
Joanna of Pfirt Joanna, Countess of Pfirt ("Jeanne de Ferrette"; 1300 – 15 November 1351) was Duchess consort of Austria and a member of the House of Habsburg by marriage. She was the elder daughter of Ulrich III of Pfirt and his wife, Joanna of Burgundy.