[[Choshu han|Chôshû]] [[Sonno|Sonnô]] [[Joi|Jôi]] extremists were expelled from Kyoto after the [[Political change on August 18]]([[1863]]). On [[1864]]/6/5, Some of them who returned to Kyoto were killed or captured by the [[Shinsengumi]] at [[Ikedaya Affair|Ikedaya]].
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[[Choshu han|Chôshû]] [[Sonno|Sonnô]] [[Joi|Jôi]] extremists were expelled from Kyoto after the [[Political change on August 18]] ([[1863]]). On [[1864]]/6/5, Some of them who returned to Kyoto were killed or captured by the [[Shinsengumi]] at [[Ikedaya Affair|Ikedaya]].
The incident made Chôshû extremists take military action against [[Satsuma han|Satsuma]] and [[Aizu han|Aizu]].
The incident made Chôshû extremists take military action against [[Satsuma han|Satsuma]] and [[Aizu han|Aizu]].