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http://history.howstuffworks.com/asian-history/ottoman-empire3.htm
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http://en.wikipedia.org/wiki/Ottoman_Empire
http://www.ducksters.com/history/renaissance/ottoman_empire.php
http://www.bbc.co.uk/religion/religions/islam/history/ottomanempire_1.shtml
http://www.bbc.co.uk/religion/religions/islam/history/ottomanempire_2.shtml
http://www.softschools.com/timelines/ottoman_empire_timeline/159/
http://history.howstuffworks.com/asian-history/ottoman-empire1.htm
http://history.howstuffworks.com/asian-history/ottoman-empire3.htm
http://www.infoplease.com/encyclopedia/history/ottoman-empire-history.html
http://en.wikipedia.org/wiki/Ottoman_Empire
http://www.ducksters.com/history/renaissance/ottoman_empire.php
http://www.bbc.co.uk/religion/religions/islam/history/ottomanempire_1.shtml
http://www.bbc.co.uk/religion/religions/islam/history/ottomanempire_2.shtml
http://www.softschools.com/timelines/ottoman_empire_timeline/159/