Pontificate thumb|Bust of Boniface IV in San Benedetto dei Marsi, describing him as "of the nation of the Marsi and of the community of Valeria." Boniface IV was elected to succeed Boniface III but a vacancy of over nine months ensued, awaiting imperial confirmation from Constantinople. He was consecrated on either 25 August, according to Duchesne, or 15 September, according to Jaffé, in 608. The Vatican lists the official beginning of his papacy as 25 September.
poNtiFIcatE thumB|bUst of bonIfACe iv in saN BenedetTO DEI maRsI, dEscrIbinG hIm As "of tHE natioN of THE MArSi and Of The community of vAlEriA." BOniface IV Was EleCtEd to SucceEd BoniFAce iII But A VaCaNCy oF OvEr nine MoNtHS ensued, awaITing iMperial conFirmatIon froM COnstAntinopLe. He wAS cOnSecrAted on eItHer 25 auGUsT, AcCOrDING To duchesne, or 15 SEpTember, accoRding to jaffÉ, in 608. tHe vatiCAn liStS the officIAL BegInnIng oF his Papacy as 25 septeMBEr.