The military detained Suu Kyi and other senior politicians on Monday and said it would rule under a one-year state of emergency.
Her homeland, meanwhile, was under the control of a military leader, Ne Win, a former comrade of her father who had seized power in 1962.
Protests against the military government had been growing before Suu Kyi returned to Myanmar in 1988 to nurse her dying mother.
Placed under house arrest in 1989, Suu Kyi was detained for 15 of the next 22 years, mostly at her dilapidated lakeside home in Yangon.
Asked once in a BBC interview about her once-saintly reputation, Suu Kyi replied: “I am just a politician.