ELD4934226: Promulgation of the Golden Bubble by Emperor Charles IV (1316-1378) in 1356 a Metz (Golden Bull of 1356 decree issued by the Imperial Diet at Nuremberg and Metz (Diet of Metz (1356/57)) headed by the Emperor Charles IV which fixed, for a period of more than four hundred years, important aspects of the constitutional structure of the Holy Roman Empire) Engraving by Johann Michael Mettenleiter (1765-1853) 1800 Private Collection, Mettenleiter, Johann Michael (1765-1853) / Bridgeman Images