▁Hun y adi ▁( ), ▁Captain - General ▁of ▁Hung ary , ▁met ▁the ▁Tur ks ▁and ▁defeated ▁them ▁at ▁Bel grade ▁( 2 2 ▁July ▁ 1 4 5 6 ). ▁Short ly ▁after ▁his ▁victory , ▁Hun y adi ▁himself ▁died ▁of ▁a ▁fe ver . ▁On ▁ 2 9 ▁June ▁ 1 4 5 6 , ▁Cal li xt us ▁III ▁ordered ▁the ▁church ▁b ells ▁to ▁be ▁r ung ▁at ▁no on ▁( see ▁no on ▁bell ) ▁as ▁a ▁call ▁to ▁prayer ▁for ▁the ▁w elf are ▁of ▁those ▁def ending ▁Bel grade . ▁To ▁comm emor ate ▁this ▁victory , ▁Cal li xt us ▁III ▁ordered ▁the ▁Fe ast ▁of ▁the ▁Trans fig uration ▁to ▁be ▁held ▁ann ually ▁on ▁ 6 ▁August . ▁ ▁In ▁ 1 4 5 6 ▁the ▁po pe ▁issued ▁the ▁pap al ▁b ull ▁Inter ▁Ca eter a ▁( not ▁to ▁be ▁confused ▁with ▁Inter ▁Ca eter a ▁of ▁ 1 4 9 3 ), ▁re aff irm ing ▁the ▁earlier ▁b ull s ▁Dum ▁D ivers as ▁and ▁Roman us ▁Pont if ex ▁which ▁recognized ▁Portugal ' s ▁trade ▁rights ▁in ▁territ ories ▁it ▁had ▁discovered ▁along ▁the ▁West ▁African ▁coast . ▁This ▁confirm ation ▁of ▁Roman us ▁Pont if ex ▁also ▁gave ▁the ▁Portuguese ▁the ▁military ▁Order ▁of ▁Christ ▁under ▁Henry ▁the ▁N avigator . ▁Inter ▁Ca eter a ▁of ▁ 1 4 5 6 ▁was ▁in ▁direct ▁contradiction ▁to ▁the ▁st ance ▁taken ▁by ▁Pope ▁Eug ene ▁IV