Pedzisa mutsara unotevera: 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. Pana 28 March 1918 Keysor akakuvadzwa uye akabudiswa kubva pamutsara asati adzokera kunotora chikamu mukurwisana pa
Villers-Bretonneux, kwaakaurayirwa gasi musi wa 26 May 1918.