Duan Qirui (6 March ; 1865-2 November ;1936) also known as General Duan Qirui was a Chinese Statesman and General who served the Chinese Army from 1885-1926 and was leader of China from 1913-1926 during World War 1 and joined in 1917 against the German led Central Powers until 1918 he died in 1936 .