noun
Imperial Rescript of 1908
A specific historical document issued in 1908 (Meiji 41), the 戊申詔書 (Boshin Shōsho). It is a proper noun referring to this particular imperial rescript.
戊申詔書は、明治41年に発布された。
The Imperial Rescript of 1908 was promulgated in Meiji 41.
戊申 (Boshin) refers to the sexagenary cycle year corresponding to 1908, and 詔書 (shōsho) means 'imperial rescript'. The term is a straightforward compound naming the document by its year and type.