World Arno J. Mayer, Unorthodox Historian of Europe’s Crises, Dies at 97 January 6, 2024January 7, 2024Clay RisenComments Off on Arno J. Mayer, Unorthodox Historian of Europe’s Crises, Dies at 97 A Jewish refugee from the Nazis, he argued that World War I, World War II and the Holocaust were all part of a “second Thirty Years’ War.”