Afghanistan–Pakistan relations involve bilateral relations between Afghanistan and Pakistan. The two neighbouring countries are bordered with one another; each has declared itself an Islamic republic and both have become members of the South Asian Association for Regional Cooperation. Relations between the two countries have been strained since 1947, when Pakistan gained independence and Afghanistan was the sole country to vote against Pakistan's admission into the UN. Afghanistan immediately armed separatist movements in the nascent Pakistan and made irredentist claims to large swathes of Pakistani territory—which prevented the emergence of normalised ties between the two countries. Further tensions have arisen with various issues related to the War in Afghanistan (1978–present), and with