Bayreuth Circle vogue amongst German racists'. Chamberlain (d. 1927), who wrote an influential anti-Semitic book, "The Foundations of the Nineteenth Century, " married Eva Wagner, daughter of the composer. There was never any organisation named the 'Bayreuth Circle' or any group of people who identified themselves by that name; but the term has been used by some historians from about the 1960s onwards as a convenient label for Hitler supporters associated with Bayreuth. Examples of such association are given in the following citations. Strong on assertion, such statements are void of supporting evidence: it should be borne in mind that Eckhardt died
Bayreuth Festival banned her from administration of the Bayreuth Festival and its assets, which fell eventually to her two sons, Wolfgang and Wieland. During American occupation of the region after World War II, the theatre was used for army recreation and religious services for American soldiers. Only popular concerts and mixed entertainment were allowed: comedy, dancing, acrobatics, and then only "Die Fledermaus" was staged. When the Festival House was handed over to the city of Bayreuth in 1946, it was used for concerts of the Bayreuth Symphony Orchestra and the performances of such operas as "Fidelio", "Tiefland", "Madama Butterfly" and "La traviata".