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 right to elect the King and future Emperor. The seven prince-electors are named in the Golden Bull of 1356: The Archbishop of Mainz, the Archbishop of Trier, the Archbishop of Cologne, the King of Bohemia, the Count Palatine of the Rhine, the Duke of Saxony and the Margrave of Brandenburg. After 1438, the Kings remained in the house of Habsburg and Habsburg-Lorraine, with the brief exception of Charles VII, who was a Wittelsbach. Maximilian I (Emperor 1508–1519) and his successors no longer travelled to Rome to be crowned as Emperor by the Pope. Maximilian, therefore, named himself Elected Roman Emperor