▁and ▁crack ▁reputation ▁e . g . ▁the ▁A la ▁I ▁F lav ia ▁singular ium ▁station ed ▁in ▁Ra et ia ▁in ▁mid - 2 nd ▁century . ▁ ▁In ▁AD ▁ 3 1 2 , ▁after ▁the ▁defeat ▁of ▁the ▁em peror ▁Max ent ius ▁at ▁the ▁battle ▁of ▁the ▁Mil v ian ▁bridge , ▁the ▁regiment ▁was ▁dis band ed , ▁along ▁with ▁the ▁rest ▁of ▁the ▁Pra et or ian ▁Guard , ▁by ▁the ▁em peror ▁Const antine ▁I ▁( ru led ▁ 3 1 2 - 3 7 ). ▁The ▁unit ▁may ▁already ▁have ▁become ▁redundant , ▁if ▁the ▁sch ola e , ▁el ite ▁caval ry ▁reg iments ▁esc ort ing ▁the ▁em peror , ▁had ▁already ▁been ▁established ▁by ▁the ▁em peror ▁Dioc let ian ▁( ru led ▁ 2 8 4 - 3 0 5 ). ▁Alternatively , ▁the ▁sch ola e ▁may ▁have ▁been ▁founded ▁by ▁Const antine ▁as ▁a ▁direct ▁replacement ▁for ▁the ▁equ ites ▁singular es . ▁ ▁Cit ations ▁ ▁References ▁ ▁External ▁links ▁ ▁See ▁also ▁▁▁ ▁Cast ra ▁Nova ▁equ it um ▁singular ium ▁ ▁Pra et or ian ▁Guard ▁ ▁A ux ili aries ▁( R oman ▁military ) ▁ ▁Category : Mil it ary ▁units ▁and ▁form ations ▁of ▁the ▁Roman ▁Empire ▁Category : P ra et or ian ▁Guard ▁Category : C aval ry ▁units ▁and ▁form ations ▁of ▁ancient ▁Rome <0x0A> </s> ▁is ▁a ▁Japanese ▁an ime ▁min is eries , ▁based ▁on ▁the ▁e