He faces 110 lawsuits filed on behalf of those killed or missing during his bloody 17-year rule, which began with a coup against the elected Marxist president Salvador Allende and ended in 1990.
Defeating Oscar Handlin in 1978, he became the first Marxist president of the Organization of American Historians.
There was world expectation; he agreed to manage the coalition and to be a Marxist president with the explicit commitment to build socialism, while respecting the democratic and institutional mechanisms.
Allende is the cousin of Salvador Allende, the Marxist president deposed by Pinochet in 1973.
A civil war had broken out in the Congo Republic after the former Marxist president, Denis Sassou-Nguesso, was reinstalled.
From 1971 to 1973, Cooper served as the Spanish-English translator for Chilean Socialist, Marxist, Leninist president Salvador Allende.
Christian Democrats weighed in behind Allende, and thus he became the world's first democratically elected Marxist president.
September: Nur Mohammed Taraki, The Marxist president of Afghanistan, is deposed and murdered.
America has had her Marxist president - and her Marxist economics lesson - and she's had enough.
An official Chilean government report says 3,197 people died or disappeared after Gen Pinochet led a coup that toppled the elected Marxist president, Salvador Allende.