1 The great Ottoman Empire also known as Khilafat E Usamania, the great empire in ancient times of Turkey and Arabic Countries, in history they were dissolved in world war first again rise up in future.

The great Ottoman Empire is also known as (Khilafat E Usamania) Muslim kingdom. The great empire of the world in ancient history of Turkey and Arabic Countries,they were rise up again in future we will know about that but before we know about history of .The great Ottoman Empire (Khilafat E Usamania).

The origin of the Ottoman Empire (Khilafat E Usamania), Suleman Shah son of Kaya Alp .The Suleman Shah were head of Tribe namely (Kay Tribe) they were Nomadic people's in these times they were powerful Tribe of this area in terms of brave soldiers, they are Turkish people's.The Suleman Shah were more powerful against their enemies and will also won batteles the journey starts to make a powerful kingdom , The great Ottoman Empire (Khilafat E Usamania) Muslim kingdom. Suleman Shah was four children namely Ertugrul, Gundogdu, Sungurtekin Bey and small one Dundar Bey.

The Ertugrul Ghazi one of the son Suleman Shah make the head of Clan (Kayi Tribe) of their father after the death of. Ertugrul Ghazi the brave warrior leader of Turkish Muslim Nomadic Kayi Clan of Oghuz Turks from the steppes of Central Asia.In Turkish Muslim history Ertugrul Ghazi was a man of wisdom, brave warrior, a true believer , also a great leader and an excellent war strategist who gave Byzantines and Mongals a tough time . He came into the picture with his army to help sejuks of Rum.His bravery and strong leadership set the foundation for the mighty the great Ottoman Empire (Khilafat E Usamania) the Muslim kingdom founded by Osman, son of Ertugrul Ghazi . Ertugrul Ghazi has two sons Gunduz Bey and Osman Ghazi, after the death of Ertugrul Ghazi in (1280) .

The Osman Ghazi born in (1258 c), after the death of father Ertugrul Ghazi make the leader of his clan(Kayi Tribe) Osman Ghazi was a man of wisdom, brave warrior a true believer also a great leader and an excellent war strategist ruler of a Turkmen principality in northernwestern Anatolia who is regarded as the founder of the Turkish Muslim kingdom Ottoman Empire (Khilafat E Usamania). Both the name of the daynasty and the empire that the dynasty established are derived from the (Uthman) of his Osman and the Muslim frontier warriors (Ghazis) under his command waged a slow and stubborn conflict against the BYZANTINES , who sought to defend their territories in the hinterland of the Asiatic shore opposite Constantinople now (Istanbul in Turkey) Osman gradually extended his control over several former Byazatine fortresses , including Yenisehir, which provided the Ottomans with a strong base to lay siege to Bursa and Nicaea ( now iznik Turkey) in northernwestern Anatolia Osman Ghazi was succeed by his son Orhan who captured Bursa on April 6,1326. Osman Ghazi children's Orhan Ghazi, Alaeddin Pasha,Coban Bey,Fatma Hatun, Pazarli Bey, Melik Bey and Hamid Bey Osman Ghazi died just after the capture of Bursa (died 1326 c). After the death of Osman Ghazi one of his son Orhan Ghazi become the Sultan of Turkish Muslim Ottoman Empire.

In next chapters we will study about The Muslim kingdom Ottoman Empire and The rise of Ottoman Empire in future.