Note: on this article, Cordilleran ice sheet is not capitalized. On other articles, it is capitalized as Cordilleran Ice Sheet. This site uses the full capitalization.
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The Cordilleran ice sheet was a major ice sheet that periodically covered large parts of North America during glacial periods over the last ~2.6 million years.
Ruhollah Khomeini (Wikipedia)Ayatollah Ruhollah Musavi Khomeini (17 May 1900 or 24 September 1902 – 3 June 1989) was an Iranian Islamic revolutionary, politician and religious leader who served as the first supreme leader of Iran from 1979 until his death. He was the founder of the Islamic Republic of Iran and the leader of the Iranian Revolution, which overthrew Mohammad Reza Pahlavi and ended the Iranian monarchy.