Revolutions of 1848 in the Austrian Empire a common enemy. Previously, national identity allowed Habsburg forces to conquer revolutionary governments by playing them off one another. New democratic initiatives in Italy in the spring of 1848 led to a renewed conflict with Austrian forces in the provinces of Lombardy and Venetia. At the very first anniversary of the first barricades in Vienna, German and Czech democrats in Bohemia agreed to put mutual hostilities aside and work together on revolutionary planning. Hungarians faced the greatest challenge of overcoming the divisions of the previous year, as the fighting there had been the most bitter. Despite this, the Hungarian government
Constitution of the Year XII amended by the Additional Act and definitively abolished with the final return of the Bourbons in 1815. Constitution of the Year XII The Constitution of the Year XII was a national constitution of France adopted during the Year XII of the French Revolutionary Calendar (1804 in the Gregorian calendar). It amended the earlier Constitution of the Year VIII and Constitution of the Year X, establishing the First French Empire with Napoleon Bonaparte — previously First Consul for Life, with wide-ranging powers — as Napoleon I, Emperor of the French. The Constitution established the House of Bonaparte as France's imperial dynasty,