Emperor Frederick may refer to:
- Frederick Barbarossa (Frederick I), Holy Roman Emperor
- Frederick II, Holy Roman Emperor (1194–1250)
- Frederick III, Holy Roman Emperor (1415–1493)
- Frederick III, German Emperor, first Hohenzollern German emperor
Famous quotes containing the words emperor and/or frederick:
“Such is the caprice of Romans ... who reject kings in name but not in practice, and accept an Emperor mightier than a hundred kings.”
—Pierre Corneille (1606–1684)
“Science is the knowledge of many, orderly and methodically
digested and arranged, so as to become attainable by one. The
knowledge of reasons and their conclusions constitutes abstract, that of causes and their effects, and of the laws of nature, natural science.”
—John Frederick William Herschel (1792–1871)