Nyorai kupfuurira kweiyi ndima - Pashure pokunge hondo yapera Keysor akabudiswa muGallipoli achirwara nefivha yomudumbu. Pakupedzisira akabatanazve ne1st Battalion mushure mokunge vaendeswa kuFrance mukutanga kwa1916. Muna March 1916 Keysor akabatanidzwa muHondo yePozières. MunaNovember 1916 akaendeswa ku42nd Battalion uye akasimudzirwa pachinzvimbo cheSgt musi wa1 Zvita. Musi wa13 Ndira 1917 akagadzwa uye akasimudzirwa pachinzvimbo chechipiri lieutenant. Mwedzi mitanhatu gare gare akasimudzirwa kuva lieutenant. Musi wa 28 Kurume 1918 Keysor akakuvadzwa uye akabviswa pamutsetse asati adzokera kunotora chikamu mukurwa paVillers-Bretonneux
, kwaakaurayirwa gasi musi wa26 May 1918.