(Mainichi Japan) February 16, 2012Bismarck's pension system水説：ビスマルクの年金＝潮田道夫 ＜ｓｕｉ−ｓｅｔｓｕ＞The world's first modern pension system was introduced by Chancellor of the German Empire Otto von Bismarck in the 19th centur…