In 1927 it legitimated the middle form of the coat of arms, similar to these used as personal coats of arms by Bulgarian monarchs Ferdinand I and his son Tsar Boris III (1918–1943), but excluding all dynastic elements and preserving only the pure state symbolism.
Bulgaria | William III of England | Principality of Bulgaria | George III of the United Kingdom | Henry III of England | George III | Edward III of England | Henry III | Edward III | Boris Johnson | Charles III of Spain | Boris Godunov | William III | Loudon Wainwright III | WTA Tier III tournaments | Boris Karloff | Richard III of England | Benigno Aquino III | Boris Yeltsin | Pope Alexander III | Star Wars Episode III: Revenge of the Sith | Henry III of France | Gustav III of Sweden | Boris Godunov (opera) | Boris Becker | Shalmaneser III | Alexander III of Russia | Albatros D.III | Frederick III | Rainier III, Prince of Monaco |
Following the Liberation of Bulgaria in 1878 and its restoration as a sovereign monarchy, all four Bulgarian monarchs were of German descent: Prince Alexander I of Battenberg, as well as Ferdinand, Boris III and Simeon II, all three of Saxe-Coburg and Gotha.