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Rashidun, (Arabic: “Rightly Guided,” or “Perfect”), the first four caliphs of the Islamic community, known in Muslim history as the orthodox or patriarchal caliphs: Abū Bakr (reigned 632–634), ʿUmar (reigned 634–644), ʿUthmān (reigned 644–656), and ʿAlī (reigned 656–661)
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