1933 Event Dutch colonial regime in Batavia arrest ir Sukarno 1930 Event Bandung, Java: ir Sukarno 4 years jail sentenced 1927 Event Ir Sukarno forms PNI (Perserikatan Nasional Indonesia) in Batavia 1919 Event Ir Steringa Idzerda begins hosting "soiree-musical" on Dutch radio 1899 Event IR Johnson patents bicycle frame
