May 19, 1998 The House of Representatives building in Jakarta is occupied by students.

May 20, 1883 Mount Krakatau starts erupting, reaching its climax three months later.

May 20, 1908 Budi Utomo is established. The day is commemorated as Indonesian National Awakening Day.

May 21, 1956 The first known airborne US hydrogen bomb is tested over Bikini Atoll in the Pacific.

May 21, 1998 Indonesian President Suharto steps down, replaced by Vi