(adj) :
Of or relating to Oswald Spengler (1880–1936), German historian and philosopher of history, who postulated that human cultures and civilizations are akin to biological entities, with limited and predictable lifespans.
(adj) :
Of or relating to Oswald Spengler (1880–1936), German historian and philosopher of history, who postulated that human cultures and civilizations are akin to biological entities, with limited and predictable lifespans.