[6] Several engravings dating back to the 13th century showing the presence of the kingdom are found in Chelenqo, Bate, Harla near Dire Dawa and Munesa near Lake Langano.

The state ran along Muslim trade lines and dominions known to the Arab world as the country of Zeila.

[11][12] According to historian Mohammed Hassen, one of the main reasons for Shewa's decline was due to conflict with the Kingdom of Damot.

[19] Ifat or Yifat, established in early medieval times, was the easternmost district of Shewa Sultanate and was located in the strategic position between the central highlands and the Sea, especially the port of Zeila.

[24][25][26] The chronicle of Amde Sion mentions Khat being widely consumed by Muslims in the city of Marade.

[28] Argobba are widely believed to be the first to accept Islam collectively, in the Horn of Africa, and lead expansions into various regions under the Sultanate of Shewa.