Persian history is one of the most ancient history of the world. It produced a number of classical and modern poet, who worked day and night for its survival. Persian formally spoken in Iran, Afghanistan (Dari) and Tajikistan. Therefore, more than 110 million Persian speaking persons in the world.
King Sabugtageen fought against Simonids (nation) and defeat them. He took Ghazni (place in Afghanistan) from Simonids and maintained government there. In this way, Ghazni and Khorasan become under the kingdom of King Sabugtageen. He organized his forces after taking over the charge of Ghazni and moved them towards Hindustan.