[1] His poetry written under the pen name "Amir" touched on subjects spanning from humanism, culture, and enlightenment in diwans covering twelve genres.
[1] Umar's wife Mohlaroyim took an active role in the social life of Kokand as a patron of the arts of sciences and wrote under the pen name of Nodira.
[5][4] Ura-Tube was annexed by Kokand in 1817 and fortresses were constructed on the banks of the Syr Darya river in Zhanakorgan, Julek, Kamish Kurgan, Kyzylorda, and Kushkurgan to provide for safe caravan trade with Russia.
[1] Diplomatic and trade relations were maintained with the Emirate of Bukhara, Khanate of Khiva and Ottoman Empire; the embassy in Istanbul was established in 1819.
[6] Umar Khan attempted to imitate Tamerlane by encouraging study in the fields of science, literature and the development of agriculture.