Nov 29 (Reuters) - Following are five facts about John Demjanjuk, a post-war U.S. citizen once convicted of being Nazi concentration camp guard "Ivan the Terrible:"

* Born on April 3, 1920, in Kiev, Ukraine, he said he was drafted into the Russian army in 1941, became a German prisoner of war a year later and served at German prison camps until 1944. He immigrated to the United States in 1951.

* He was stripped of his U.S. citizenship in 1981 and extradited to Israel, where he was sentenced to death in 1988 after Holocaust survivors said he was the notorious guard Ivan at Treblinka where 870,000 people died.

* The Israeli Supreme Court overturned his death sentence in 1993 and freed him after newly released records from the former Soviet Union showed another man, Ivan Marchenko, was probably the Treblinka guard.

* The retired auto worker returned to his home near Cleveland in 1993 and in 1998 the United States restored his citizenship. But the U.S. Justice Department refiled its case against him, arguing he had worked for the Nazis as a guard at three death camps and hid the facts when he immigrated.

* A federal judge rescinded his citizenship in 2002 and he was ordered deported in December 2006, an order he continued to appeal. (Editing by Bill Trott)

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