âŠthe premiere of his operetta Josephine csĂĄszĂĄrnĂ” (âEmpress Josephineâ) took place not in Vienna but in ZĂŒrich because of increasing political tension in Austria. With the Nazi occupation of Austria in 1938, KĂĄlmĂĄn and his family fled to Paris and then, in 1940, to the United States. There he pursuedâŠ
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