- Hōjō Sadatoki
was the ninth "
shikken " (regent) of theKamakura shogunate (reigned 1284 - 1301).Born to the regent Tokimune and his wife from the Adachi family, Sadatoki became a "shikken" at age 14 upon the death of his father. Sadatoki was under the guardianship of
Taira Yoritsuna .himotsuki Incident
The Hōjō clan had variously defeated many rival families - leaving only the
Adachi clan . The Adachis and Hōjōs had previously been allies, but a plot byAdachi Yasumori to usurp the Hōjō resulted in a Sadatoki authorising Taira Yoritsuna to attack the Adachi family. Taira Yoritsuna may have falsified the charges against Adachi Yasumori due to political rivalry. The attack occurred in 1285 and is known as theShimotsuki Incident . It occurred near the Adachi residence and resulted in the near extermination of the Adachi family (500 deaths). Adachi Yasumori was Sadatoki's grandfather's son's brother's in-law.Heizen Gate Incident
Sadatoki's soldiers killed Taira Yoritsuna and 90 of his followers in the
Heizen Gate Incident in 1293.Regency ends and death
Sadatoki ended has regency and entered the priesthood in 1301. Some sources claim that, although secluded in a temple, he continued to administer Japan until his death in 1311. He is enshrined with his father and
Hōjō Takatoki .A mass requiem commemorating the 12th anniversary of Sadatoki's death took place at
Engakuji in 1323.Jufukuji temple sent 260 priests.
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