Caligula's Horse album "Moments from Ephemeral City" (2011) and follow up EP "Colossus" (2011) were released independently before signing with Welkin Records and releasing their second album "The Tide, the Thief & River's End" (2013). The band then signed with Inside Out Music for the release of their 2015 album "Bloom". The band released their fourth album In Contact on 15 September 2017. In early 2011 Caligula's Horse was formed by Sam Vallen and Jim Grey. The band is named after the prized possession, Incitatus, of Roman Emperor Caligula by Grey, who is studying ancient history and classical languages at university. Initially
Holy Roman Emperor of Eastern Francia fell within the boundaries of the Holy Roman Empire. The various German princes elected one of their peers as "King of the Germans", after which he would be crowned as emperor by the Pope. After Charles V's coronation, all succeeding emperors were called "elected Emperor" due to the lack of papal coronation, but for all practical purposes, they were simply called "emperors". The term "sacrum" (i.e., "holy") in connection with the German Roman Empire was first used in 1157 under Frederick I Barbarossa. Charles V was the last Holy Roman Emperor to be crowned by the Pope