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
Revolutions of 1848 in the Austrian Empire support Croatian forces under Jelačić. After Vienna was recaptured by imperial forces, General Windischgrätz and 70,000 troops were sent to Hungary to crush the Hungarian revolution and as they advanced the Hungarian government evacuated Pest. However the Austrian army had to retreat after heavy defeats in the Spring Campaign of the Hungarian Army from March to May 1849. Instead of pursuing the Austrian army, the Hungarians stopped to retake the Fort of Buda and prepared defenses. In June 1849 Russian and Austrian troops entered Hungary heavily outnumbering the Hungarian army. Kossuth abdicated on August 11, 1849 in favour of Artúr