The former Bakufu retainers leaded by [[Enomoto Takeaki]] escaped from [[Edo]] in [[1868]]/4 and arrived at [[Ezo]] in 1868/10.
The former Bakufu retainers leaded by [[Enomoto Takeaki]] escaped from [[Edo]] in [[1868]]/4 and arrived at [[Ezo]] in 1868/10.
After they occupied [[Goryokaku|Goryôkaku]] fort, they headed to capture [[Matsumae castle]].
After they occupied [[Goryokaku|Goryôkaku]] fort, they headed to capture [[Matsumae castle]].
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In 1868/11/5, the ground troops leaded by [[Hijikata Toshizo]] overthrew [[Matsumae han|Matsumae han's]] defence line at Oyobegawa river. They occupied the hill in front of Matsumae castle.
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The castle had 7 batteries.
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Everytime when Hijikata's soldiers came close to Karametemon gate, the Matsumae soldiers opened the gate to fire the cannon and closed quickly.
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While they were taking the same tactic over and over again, Hijikata took small unit and entered the castle from behind.