Kammala wannan jumla: Heikki Nurmio ya shiga 27th Jäger Battalion a 1916 a Jamus. Ya shiga cikin fadace-fadace a Gabashin Gabashin Jamus kuma ya yi yaƙi da Daular Rasha a cikin
Yakin basasa na Finnish. An buga littafinsa "Jääkärin päiväkirja" (Diary of a jäger) a cikin 1918 kuma ya zama sananne don rubuta litattafan yaƙi don matasa masu sauraro.