Hamengkubuwono IX
After Proclamation of Independence, on September 1, 1945, he and Mangkunegara VIII separately issue royal decrees which congratulated to the newly founded Republic of Indonesia, 4 days before Hamengkubuwono IX and Paku Alam VIII's decree. On September 6, 1945, Surakarta Sunanate and Duchy of Mangkunegaran were granted Special Region's Charter from President Sukarno.