<prompt> Bhala ukuqhubeka kwalesi sigaba - Ikhebula 1971, elaziwa nangokuthi i-Priority Signal noma i-File 1971 kwakuyisignali yezempi eyimfihlo futhi eyimfihlo eyayixhunywe ngoDisemba 1952 phakathi kwamagatsha amabili amakhulu asezinsizakalo zasePakistan - i-Army yasePakistan kanye ne-Navy yasePakistan. Kuyaphawuleka ukuthi ngokuyisisekelo yabikezela ukuhlukaniswa kwePakistan neBangladesh  <response>: futhi ngenhlanhla isihloko sawo sasiqukethe unyaka okwahlukana ngawo ngempela, cishe eminyakeni engu-20 kamuva. 