(FILES) This photograph shows Livret A savings books in Lille on August 24, 2015. October 31 marks the centenary of "World Savings Day". Founded in 1924 in Milan, "World Savings Day" was created as a symbol to encourage collaboration between financial institutions and promote the virtues of foresight. (Photo by Denis CHARLET / AFP) (Photo by DENIS CHARLET/AFP via Getty Images)