During World War I, he was appointed as an assistant commander in the Tatar Cavalry Regiment of the Wild Division.

[1] Shahverdi Khan began his service on November 29, 1890, as a private in the 3rd squadron of the 44th Nizhny Novgorod Dragoon Regiment.

[2] In 1896, from August 22 to October 26, he was sent on a mission to the military cavalry regiment located in the village of Armavir in the Kuban region.

"[2] On August 31 of the same year, for distinguishing himself in battle against the Japanese, he was awarded the third-degree Order of St. Stanislav (with swords and ribbon).

[3] On December 26, 1908, he was granted permission to wear the commemorative badge given for the 200th anniversary of the 17th Nizhny Novgorod Dragoon Regiment.

On February 24, 1911, he was appointed to the army cavalry regiment and began serving in the Ministry of Internal Affairs.

[3][4][5] On September 27, 1914, General A. Arkhangelsky from the central headquarters informed Yelizavetpol Governor G. Kovalyov via telegram that, according to a high command issued on September 26, Shahverdi Khan Ziyadkhanov was appointed as the assistant commander of the Tatar Cavalry Regiment, which was formed as part of the Wild Division.

154 of the Commander-in-Chief of the armies on the Southwestern Front, N. Ivanov, he was awarded the third-degree Order of St. Anna (with swords and ribbon) for his distinction in battle against the enemy.

On April 30, 1915, during a battle with the enemy near the village of Nepolkuts by the Prut River, he sustained a severe concussion to the head and was evacuated to Tiflis.

[9] Shahverdi Khan continued his service in the Tatar Cavalry Regiment, later serving in the Independent Azerbaijani Corps and then in the army of the Azerbaijan Republic.

[10] In the list of the newly formed Azerbaijani army dated February 3, 1919, it is noted that he held the rank of lieutenant colonel.

[13] On May 11 of that year, the temporary commander of the Cavalry Regiment, Major General Amashukeli, submitted a report to the Central Headquarters.

43 of the Officers' Society of the Tatar Cavalry Regiment,[14] that the time Lieutenant Colonel Shahverdi Khan Ziyadkhanov spent in evacuation be counted starting from May 6, 1917, and that he be granted the next military rank.

[18] General Shikhlinski, who was temporarily acting as Minister of War, in recognition of his service to the army, ordered that his family be provided with funds to cover medical expenses related to his illness, funeral costs, and a one-time payment of 5,000 rubles.