Sanada Maru
| The Sanada Maru (真田丸 （さなだまる）, Sanada Maru) was a small fortification attached to Osaka castle. It is famous for being impregnable and playing a key role in defending the castle in the winter of 1615. Later, it was forcefully destroyed despite being exempt from the reconciliation condition. | ||||||
| Builder： Sanada Yukimura | ||||||
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