Pakistan and Iran share deep linguistic, historic and cultural ties. These ties are visible in modern day Pakistan with classic Persian poetry on many contemporary buildings. Their amicable relations date back to the 1947 partition of the subcontinent. Moreover, Iran was the first country to recognize the newly established state of Pakistan. The countries soon developed a strong relationship and signed an official treaty of friendship in 1950. During the long era of the Cold War, they remained allies and shared a harmonious strategic outlook during the Shah’s era. Furthermore, Pakistan was the first state to recognize the Islamic Revolution in Iran. During the Iran-Iraq war of the 1980s, despite enormous pressure on Pakistan to support Iraq, Pakistan explicitly expressed its support to Iran. However, the warmth in bilateral relations has been tested on several accounts such as the civil war in Afghanistan, sectarian tension, US influence on Pakistan, sanctions on Iran, and Pakistan’s ties with Saudi Arabia.