Why a single fortress city triggered a diplomatic crisis between two great empires
The 1622–1623 war over Kandahar was more than a territorial dispute; it was a masterclass in strategic deception and internal political maneuvering. When Shah Abbas of the Safavid Empire set his sights on the city, the resulting conflict exposed deep fractures within the Mughal court that changed history.
The city of Kandahar had long been a point of contention between the Safavid and Mughal Empires. Its strategic importance stemmed from its history as a gift from the Mughal ruler Humayun to Iran in the mid-16th century, a gesture of gratitude for military support. However, the Mughals reclaimed the city in 1590, setting the stage for decades of friction. By 1621, Shah Abbas, having concluded his conflict with the Ottomans, felt secure enough to turn his attention back to his eastern frontier.
Shah Abbas utilized sophisticated deception to launch his campaign. He masked his military movements by claiming he was merely hunting near the Helmand and Arghandab rivers. Despite these ruses, the Mughal governor, Abdul Aziz Khan, remained vigilant, refusing to welcome the Shah and preparing for a defense. When the siege officially began in May 1622, the Mughal Emperor Jahangir was slow to react. He ordered his heir, Prince Khurram, to lead a relief force, but the prince refused the assignment, fearing that leaving the court would erode his political standing.
The siege lasted 45 days. Lacking heavy artillery, the Safavid forces employed tunneling tactics to collapse the city's towers. By June 22, 1622, the Mughal garrison surrendered. The loss of the city triggered an immediate internal crisis, as Prince Jahan used the defeat to launch a rebellion against his father, Jahangir. To manage the fallout, Shah Abbas engaged in a delicate diplomatic dance, framing the capture as the recovery of a historical right rather than an act of aggression. He sent golden keys to the Mughal court as a gesture of friendship. By the spring of 1623, Emperor Jahangir formally accepted the loss, effectively ending the conflict and cementing Safavid control over the fortress.
Source: Mughal–Safavid war (1622–1623)
