Key dates in the life of John Demjanjuk:

— 1920: Born in Ukraine.

— 1942: Captured by German forces while serving in the Soviet Red Army.

— 1952: Demjanjuk emigrates to the US, claims to have spent much of World War II in a German prisoner of war camp.

— 1958: Gains US citizenship.

— 1977: Justice Department seeks to revoke citizenship, alleging Demjanjuk hid past as Nazi death camp guard “Ivan the Terrible.”

— 1981: Citizenship revoked.

— 1986: Extradited to Israel for trial over his alleged role at Treblinka death camp.

— 1988: Convicted of war crimes and crimes against humanity, sentenced to death.

— 1993: Israel’s Supreme Court unanimously rules Demjanjuk was not “Ivan the Terrible,” overturning 1988 verdict and returning him to US

— 1998: Regains US citizenship.

— 1999: US Justice Department again seeks to revoke citizenship, alleging that although not “Ivan the Terrible,” Demjanjuk was a guard at Nazi death and forced labor camps.

— 2002: Loses US citizenship again.

— 2005: US immigration judge says Demjanjuk can be deported to Germany, Poland or Ukraine.

— March 11, 2009: German prosecutors issue arrest warrant, accusing Demjanjuk of being accessory to murder and say they will seek deportation from US.

— May 11, 2009: Berlin court rejects appeal against deportation; Demjanjuk leaves home by ambulance and is flown to Germany.

— July 3, 2009: Demjanjuk deemed fit to stand trial though his time in court must not exceed two 90-minute sessions daily.

— November 30, 2009 — Trial opens in Munich state court.

— April 12, 2011 — AP uncovers an FBI report kept secret for 25 years, which says the Soviet Union “quite likely fabricated” the Nazi ID card used as a key piece of evidence in prosecution of Demjanjuk.

— May 12, 2011 — Demjanjuk convicted of 28,060 counts of accessory to murder. Sentenced to five years in prison but immediately released pending appeal.

— Jan. 20, 2012 — US judge refuses to offer Demjanjuk chance to regain American citizenship on appeal after revelation of FBI report on ID card, after former agent testifies the report was “based on speculation.”

— March 17, 2012 — Demjanjuk dies in his room in a Bavarian nursing home.

Copyright 2012 The Associated Press.