What is the ending year of XXX?
East Pakistan
East Pakistan (Bengali: পূর্ব পাকিস্তান Pūrbô Pākistān; Urdu: مشرقی پاکستان‎ Mas̱ẖriqī Pākistān IPA: (məʃrɪqiː pɑːkɪst̪ɑːn)), present-day Bangladesh, was a provincial state of Pakistan that existed in the Bengal region of the northeast of South Asia from 1955 until 1971, following the One Unit programme that laid the existence of East Pakistan.
1971