Named for its founder, tribal chief Osman Bey, the Ottomans were settled at Sogut, kicking off the Ottoman Empire, which would reign for 600 years.
Regular Websites
BBC: Ottoman Empire (1301-1922)
Lays out the reasons for the longevity of the Ottoman Empire and the results of that longevity, including the robust secularism in modern-day Turkey. Also contains thumbnail sketches of the components of that empire, including Turkey, Greece, Bulgaria, Egypt, Romania, Lebanon, Syria, and Macedonia, among the many. - BBC: Ottoman Empire (1301-1922)
http://www.bbc.co.uk/religion/religions/islam/history/ottomanempire_1.shtml
The topics here involve the Ottoman Empire's history and culture, including the laws and religions of the region. - History of the Ottoman Empire
http://www.turizm.net/turkey/history/ottoman3.html
Contains maps and descriptions of the nations which made up the Ottoman Empire. Also spends quite a bit of time explaining the rise and fall of the Empire and a timeline. - Mideast Web: Ottoman Empire
http://www.mideastweb.org/Middle-East-Encyclopedia/ottoman.htm
Dedicated to information about the Ottoman Empire, the conquest of Istanbul, and the foundation of the Kingdom of Bulgaria. - Ottoman Empire
http://www.ottomanempire.com/
Expresses the history of the Ottoman Empire, beginning with the Byzantine Empire its Turkish origins, and the Crusades. It begins in the late 13th century until 1923, after World War I. - The Ottomans
http://www.theottomans.org/english/history/index.asp