August 9: Sukarno, Hatta, and Radjiman Wediodiningrat are flown by the Japanese to Vietnam to meet with Marshal Terauchi. There they are informed of the collapse of Japanese forces, and that Japan will grant Indonesia independence on August 24.August 14 Sukarno, Hatta, and Radjiman Wediodiningrat return to Jakarta, mistrustful of the Japanese promise.

August 15: Japan surrenders to the Allies. The Japanese army and navy still control Indonesia. Japan has agreed to return Indonesia to the Dutch.

August 16: Sukarno and Hatta are spirited away by youth leaders, including Chaerul Saleh, to Rengasdengklok at 3:00 A.M. They later return to Jakarta, meet with General Yamamoto, and spend the next night at Vice-Admiral Maeda Tadashi's residence. Sukarno and Hatta are told privately that Japan no longer has the power to make decisions regarding the future of Indonesia.

August 17: Sukarno reads the brief, succinct, and unilateral "Proklamasi"; the Declaration of Independence.PETA forces, radical youths, and ordinary people in Jakarta organize defense of Sukarno's residence. Flyers are distributed proclaiming independence. Adam Malik sends out a shortwave announcement of the Proklamasi.

August 18: PPKI moves to form an interim government with Sukarno as President and Hatta as Vice-President.

August 18: Piagam Jakarta (Jakarta Charter) mentioning Islam among the Pancasila principles is dropped from the preamble to the new constitution.

August 18: New Republic consists of 8 provinces: Sumatra, Borneo, West Java, Central Java, East Java, Sulawesi, Maluku, and Sunda Kecil.

August 22: Japanese announce their surrender publicly in Jakarta.Japanese forces disarm and disband Peta and Heiho. Many members of these groups have not yet heard of independence.

August 23: Sukarno delivers first radio address to the nation.

August 23: BKR (Badan Keamanan Rakyat), first Indonesian military force, begins organizing from former Peta and Heiho members. Some former Peta batallions join as entire units, having been told to disband only a few days before.Dutch forces land at Sabang in Aceh.

August 29: The New Republic: The constitution that had been drafted by the PPKI preparatory committee, and announced on the 18th, is adopted (UUD 45). Sukarno is declared President, Hatta is declared Vice-President. PPKI (originally BPUPKI, founded under the Japanese occupation the previous March) is remade into KNIP (Central Indonesian National Committee). KNIP is the temporary governing body until elections can be held. The new government is installed on August 31.The Patih (chief advisor) of Sultan Hamengkubuwono IX of Yogya dies. No successor is chosen; the Sultan takes charge of his own affairs, and begins to institute reforms in YogyaTan Malaka reappears in Jakarta.