Battle of Badung Strait (naval battle between Bali and Lombok): small Japanese force drives back Dutch and Australians. Japanese land on Bali. First Japanese air raid on Darwin, Australia.
Battle of Java Sea: Japanese destroy much of the Dutch and Australian naval forces near Surabaya. American destroyers escape to Australia. Dutch Admiral Doorman is killed.
PUTERA is formed (Pusat Tenaga Rakyat, a political auxiliary organization). Sukarno is named chairman. Hatta and Ki Hadjar Dewantoro are members.
Badan Penyelidik Usaha Persiapan Kemerdekaan Indonesia (BPUPKI), a committee to prepare for Indonesian Independence. Members include Sukarno, Hatta, Wahid Hasyim, many others. Chairman is Dr. Radjiman Wediodiningrat.
Sukarno describes "Pancasila" doctrine in speech to the BPUPKI independence committee
Sukarno reads the brief, succinct, and unilateral "Proklamasi"; the Declaration of Independence
Battle of Marga: resistance on Bali led by Ngurah Rai is defeated by Dutch forces.