The revolution Change_of_leadership received Receiving its name because the citizens and demobilized Employment soldiers in Budapest began Process_start placing Placing the aster flowers ( `` őszirózsa '' : literally autumn = `` ősz '' and rose = `` rózsa '' ) in their hats and caps to symbolize support Supporting for the social Social_event democratic Hungarian National Council ( HNC ) and Count Károlyi .

Károlyi had helped Assistance establish Creating the Hungarian National Council which demanded Request the secession Change_of_leadership of Hungary from the Austro-Hungarian Empire .

By the end Process_end of the day , King Charles IV was forced to accept Receiving the coup Change_of_leadership and Károlyi became Becoming Hungary 's new Prime Minister .

Károlyi then terminated Process_end the Compromise of 1867 , thus formally dissolving Destroying the Austro-Hungarian union .

Károlyi 's provisional government proclaimed Statement the Hungarian People 's Republic on 16 November 1918 , with Károlyi named Name_conferral as provisional president .

Károlyi 's provisional government proclaimed Statement the Hungarian People 's Republic on 16 November 1918 , with Károlyi named Name_conferral as provisional president .