The State of the Republic of Indonesia (Indonesian: Negara Republik Indonesia, old spelling: Negara Repoeblik Indonesia, lit.'State of the Republic of Indonesia') was a federated state(negara bagian) of the United States of Indonesia (RUSI) which was established on 27 December 1949.[1] The territory of the state included parts of Java and most of Sumatra, and its capital was Yogyakarta.[2] The acting president of the Republic was Assaat (Sukarno became president of the RUSI)[3] and the prime minister was first Susanto Tirtoprodjo until 16 January 1950, then Abdul Halim.[4] On 17 August, the United States of Indonesia ceased to exist as the last of the component states dissolved themselves into a unitary Republic of Indonesia encompassing the entire territory of the former Dutch East Indies except for West Papua.[5][6]
President
Assaat Datuk Mudo was the only president of this Yogyakarta-based republic
Feith, Herbert (2008) [1962]. The Decline of Constitutional Democracy in Indonesia. Singapore: Equininox Publishing (Asia) Pte Ltd. ISBN978-979-3780-45-0.
Kahin, George McTurnan (1952), Nationalism and Revolution in Indonesia, Cornell University Press
Simanjuntak, P. N. H. (2003), Kabinet-Kabinet Republik Indonesia: Dari Awal Kemerdekaan Sampai Reformasi (in Indonesian), Jakarta: Djambatan, ISBN979-428-499-8.