▁the ▁Trans fig uration , ▁in ▁the ▁city ▁of ▁Nov os ib ir sk , ▁in ▁Asian ▁Si ber ia , ▁Russia . ▁ ▁History ▁▁ ▁Est ab lished ▁on ▁April ▁ 1 3 , ▁ 1 9 9 1 ▁as ▁Apost ol ic ▁Administration ▁of ▁Nov os ib ir sk , ▁on ▁territory ▁split ▁off ▁from ▁the ▁Dioc ese ▁of ▁Vlad iv ost ok ▁and ▁the ▁newly ▁suppress ed ▁Metropolitan ▁Arch di oc ese ▁of ▁Moh ile v ▁ ▁Ren amed ▁on ▁May ▁ 1 8 , ▁ 1 9 9 9 ▁as ▁Apost ol ic ▁Administration ▁of ▁Western ▁Si ber ia , ▁having ▁lost ▁territory ▁to ▁establish ▁the ▁then ▁Apost ol ic ▁Administration ▁of ▁Eastern ▁Si ber ia ▁( now ▁Dioc ese ▁of ▁Saint ▁Joseph ▁at ▁Ir k ut sk ) ▁ ▁Prom oted ▁and ▁renamed - back ▁on ▁February ▁ 1 1 , ▁ 2 0 0 2 ▁as ▁Dioc ese ▁of ▁Trans fig uration ▁at ▁Nov os ib ir sk ▁ ▁Ord in aries ▁ ▁( all ▁Roman ▁r ite , ▁so ▁far ▁mission ary ▁members ▁of ▁Latin ▁con greg ations ) ▁▁ ▁Apost ol ic ▁Administr ators ▁of ▁Nov os ib ir sk ▁( S iber ia ) ▁▁ ▁Joseph ▁Wer th , ▁Jes uits ▁( S . J .), ▁( 1 9 9 1 . 0 4 . 1 3 ▁– ▁ 1 9 9 9 . 0 5 . 1 8 ▁see ▁below ), ▁Tit ular ▁Bishop ▁of ▁Bul na ▁( 1 9 9 1 .