Four-year old Mirzo Ulugbek accompanied Amir Temir to his Indian campaign, but on August 20 (the zulkhidja day) he was sent from Kabul back to Samarkand. The reason of this was in hot weather and in Ulugbek's weak health

Giyosiddin Ali. The XIVth century

The birth of Mirzo Ulugbek. The copy from the Iranian miniature

After Amir Temir's death on February, 1404 (807 year of hijra of 7th shabon) his great empire was involved in local wars and revolts, which lasted almost five years. Shakhruh Mirzo united the empire again, and he transferred the center of the state to Herat city. He also appointed his son Mirzo Ulugbek as the Moveraunahr's governor