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  This is Osman, the founder of the Ottoman Empire.
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  This is Orhan, Osman's son.
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  His sons could not decide who should be the next Sultan.
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  The city was renamed Istanbul after they conquered it.
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  He was one of the Ottoman's best Sultans.
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  He was also one of the Ottoman Empire's best Sultans.
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  Government is unstable and Selim doesn't fight many battles.
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  The Sultans after Suleyman the Magnificient were not very good and didn't conquer much land.
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  The Greeks got help from Britain, France, and Russia to earn their independence.
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  This is a picture of the Ottomans surrendering World War I.