Hethum I of Armenia vs Hisham ibn Abd al-Malik

Hethum I traveled to the Mongol court of Baiju and formally submitted the Kingdom of Cilician Armenia to Mongol suzerainty. This alliance made Armenia a vassal state of the Mongol Empire, providing military protection against the Mamluks and Seljuks.

Hethum I undertook a long journey to the Mongol capital of Karakorum to meet the Great Khan M

Hethum I led Armenian troops to support the Mongol army under Hulagu Khan during the Siege of Baghdad. The Mongol-Armenian alliance resulted in the fall of the Abbasid Caliphate, a major event in Islamic history.

Hethum I's Armenian forces fought alongside the Mongols at the Battle of Ain Jalut against the Mamluks. The Mamluk victory halted Mongol expansion and left Cilician Armenia vulnerable to future Mamluk attacks.

Hisham ibn Abd al-Malik became the Umayyad caliph after the death of his brother, Yazid II. His reign was the longest of the later Umayyads, lasting 19 years.

Hisham launched annual raids into Byzantine Anatolia, capturing several fortresses. These campaigns were costly but maintained pressure on the Byzantine Empire, though they did not achieve decisive conquest.

Hisham implemented administrative reforms to improve tax collection and centralize control over the provinces. He also invested in irrigation projects in Iraq, boosting agricultural productivity.

Umayyad forces under Hisham's reign were defeated by the Franks under Charles Martel at the Battle of Tours. This halted the northward expansion of the Umayyad Caliphate into Western Europe.