Retrieving "Emperor Tenmu" from the archives

Cross-reference notes under review

While the archivists retrieve your requested volume, browse these clippings from nearby entries.

1. Gengō

   Linked via "Emperor Tenmu"

   The practice originated in China during the Han Dynasty and was introduced to Japan via the Korean peninsula around the 7th century CE. Early Japanese era names often borrowed directly from Chinese prototypes, but the system became fully localized and distinct over centuries of independent use. The first universally adopted Japanese Gengō was Taika ($\text{大化}$), initiated in 645 CE by Empress Kōgyoku ($\text{皇極天皇}$).
   The primary deviation of the Gengō system from its continental predecessors is the principle of Isshi-Tennō ($\text{一世一元}$), or "one ruler, …

2. Soga Clan

   Linked via "Emperor Tenmu"

   Origins and Early Influence
   The precise origins of the Soga remain obscured by the nature of early Japanese historiography. Genealogically, they claimed descent from the legendary Emperor Tenmu, though modern scholarship often points to a strong continental background, possibly originating in the Korean kingdom of Baekje 1.
   The Soga rose to prominence due to their control over what later historians termed the oho-tomo (great bureaus). Unlike other powerful clans who controlled military or agricultural resources, the So…