The item entitled `` Declaration of the Indian Ocean as a Zone of Peace '' was included in the agenda of the twenty-sixth session of the General Assembly , in 1971 , at the request of Sri Lanka , later joined by the United Republic of Tanzania ( A/8492 and Add.1 ) . The General Assembly considered the question at each session from the twenty-sixth to the fifty-second and at its fifty-fourth , fifty-sixth and fifty-eighth sessions ( resolutions 2832 ( XXVI ) , 2922 ( XXVII ) , 3080 ( XXVIII ) , 3259 A ( XXIX ) , 3468 ( XXX ) , 31/88 , 32/86 , 33/68 , 34/80 B , 35/150 , 36/90 , 37/96 , 38/185 , 39/149 , 40/153 , 41/87 , 42/79 , 43/79 , 44/120 , 45/77 , 46/49 , 47/59 , 48/82 , 49/82 , 50/76 , 51/51 , 52/44 , 54/47 , 56/16 and 58/29 ) .