Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Oge: Shimomura bụ onye obodo Kōchi Prefecture, na onye gụsịrị akwụkwọ na klas nke 20 nke Imperial Japanese Army Academy na 1908. Ndị klas ya gụnyere Prince Asaka, Prince Higashikuni Naruhiko, Prince Kitashirakawa Naruhisa, Mitsuru Ushijima, Heitarō Kimura, Takashi Sakai, na Shōjirō Iida. O mechara gụsịrị akwụkwọ na klas nke iri abụọ na asatọ nke kọleji ndị agha na 1916. Mgbe o jesịrị ozi n'ọtụtụ ndị ọrụ na ndị ọrụ nchịkwa n'ime Imperial Japanese Army General Staff, e zigara Shimomura na France dị ka onye agha agha na 1919. Ọ laghachiri na Strategy and Planning bureau nke General Staff na 1921. O sonyere dịka akụkụ nke ndị nnọchi anya ndị Japan na Geneva Naval Conference negotiations site na 1928<unk>1929 na 1931. Site na 1933-1935 ọ bụ onye isi nke IJA 1st Heavy Field Artillery Regiment. Na 1935, e kenyere Shimomura na ndị ọrụ nke Kwantung Army ma bulie ya n'ọkwa onye isi ndị ọchịagha na 1936. Ọ laghachiri na General Staff dị ka onye isi nke 4th Bureau site na 1936-1937 na nke 1st Bureau site na 1937-1938. Ọ bụ onye nkwado siri ike nke usoro ọgụ siri ike megide gọọmentị Kuomintang na mpaghara Shanghai na ndụmọdụ ya metụtara mkpebi nke ndị isi ndị Japan inye ikike ka ndị agha Japan nke iri pụta na mbido Agha nke Shanghai. A buliri Shimomura n'ọkwa lieutenant general na 1939. Ọ bụ onye isi nke ụlọ akwụkwọ ndị agha na 1940, ma nye ya iwu mpaghara na 1942 n'ụdị ndị agha Japan nke iri na atọ dabere na Shanghai na mpaghara ndị gbara ya gburugburu bụ isi dị ka ndị agha na-eche nche iji gbochie ọpụpụ nke ndị Allies nke Agha Worldwa nke Abụọ na mpaghara Osimiri Yangtze dị n'ebe ọwụwa anyanwụ etiti China.  Ajụjụ: N'afọ ole ka Shimomura gụsịrị akwụkwọ na kọleji ndị agha?
N'afọ 1916