▁starting ▁the ▁period ▁in ▁the ▁East ▁referred ▁to ▁as ▁Fr ang okrat ia . ▁The ▁establishment ▁of ▁the ▁Latin ▁Empire ▁in ▁ 1 2 0 4 ▁was ▁intended ▁to ▁supp lant ▁the ▁Orth odox ▁By z antine ▁Empire . ▁This ▁is ▁symbol ized ▁by ▁many ▁Orth odox ▁churches ▁being ▁converted ▁into ▁Roman ▁Catholic ▁properties ▁and ▁churches ▁like ▁H ag ia ▁Soph ia ▁and ▁Church ▁of ▁the ▁P ant ok r ator , ▁and ▁it ▁is ▁viewed ▁with ▁some ▁r anc our ▁to ▁the ▁present ▁day . ▁Some ▁of ▁the ▁European ▁Christian ▁community ▁act ively ▁end ors ed ▁the ▁attack ing ▁of ▁Eastern ▁Christians . ▁ ▁This ▁was ▁preced ed ▁by ▁a ▁European ▁back ed ▁attempted ▁con quest ▁of ▁By z ant ium , ▁Greece , ▁and ▁Bulg aria ▁ ▁and ▁other ▁Eastern ▁Christian ▁countries ▁which ▁led ▁to ▁the ▁establishment ▁of ▁the ▁Latin ▁Empire ▁of ▁the ▁East ▁and ▁the ▁Latin ▁Patri arch ▁of ▁Constantin ople ▁( with ▁various ▁other ▁Cr us ader ▁states ). ▁ ▁The ▁Te ut onic ▁Order ' s ▁attempts ▁to ▁conquer ▁Orth odox ▁Russia ▁( part icular ly ▁the ▁Republic s ▁of ▁P sk ov ▁and ▁Nov gor od ), ▁an ▁enter prise ▁end ors ed ▁by ▁Pope ▁Gregory ▁IX , ▁can ▁also ▁be ▁considered ▁as ▁a ▁part ▁of ▁the ▁Northern ▁Cr us ades . ▁One ▁of ▁the ▁major ▁blow s ▁for ▁the ▁idea ▁of ▁the ▁con quest ▁of ▁Russia ▁was ▁the ▁Battle ▁of ▁the ▁Ice ▁in ▁ 1 2 4 2 . ▁With ▁or ▁without ▁the ▁Pope ' s