Ten'an
27 September 858 (Ten'an 2, 27th day of the 8th month): Emperor Montoku dies; and the succession (senso) was received by his eldest son. Emperor Seiwa accepted the monarch's role and duties and powers (sokui).  This was confirmed in ceremonies. The start of Seiwa's reign was announced at the Ise Shrine (Kotai-jingu) at Ise and at all the tombs of the imperial family.