Der Mythus des 20. Jahrhunderts. (The Myth of the Twentieth Century)

a 1930 book by Alfred Rosenberg, one of the principal ideologues of the Nazi Party and editor of the Nazi paper Völkischer Beobachter. The titular "myth" (in the special Sorelian sense) is "the myth of blood, which under the sign of the swastika unchains the racial world-revolution. It is the awakening of the race-soul, which after long sleep victoriously ends the race chaos."

The book has been described as "one of the two great unread bestsellers of the Third Reich" (the other being Mein Kampf).[2] In private Adolf Hitler said: "I must insist that Rosenberg's The Myth of the Twentieth Century is not to be regarded as an expression of the official doctrine of the party." Hitler objected to Rosenberg's paganism.

Hitler awarded the first State Prize for Art and Science to the author of The Myth of the Twentieth Century. The official document accompanying the prize "expressly praises Rosenberg as a 'person who has, in a scientific and penetrating manner, laid the firm foundation for an understanding of the ideological bases of National Socialism