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peace negotiation. Hideyori accepted a peace formula whereby the
Tokugawa army would withdraw and Osaka castle would remain in Hideyori's hand under the provision of no further "rebellion" against the Tokugawa Shōgun. Many Tokugawa troops did not leave but instead worked to fill in the outer moat. Hideyori protested but by the time, a week later, Ieyasu agreed that these had indeed not been included in the peace agreement the outer moat had ceased to exist, and his men were turning to the second moat.
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While long-range culverins kept up a bombardment, miners began digging in an attempt to weaken the walls. As there were still uncommitted clans who might be tempted to attack the
Tokugawa from the rear, time was on the side of Hideyori. Ieyasu used the steadily improving bombardment to pressure for
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The attack on Sanada Maru began on
December 4. Yukimura and about 6-7,000 men defending Sanada Maru against Tokugawa forces of approximately 10-30,000 men. The Tokugawa forces were repeatedly repelled, and Sanada's troops launched a number of counterattacks, even breaking through the siege lines.
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The place where Sanada Maru was located is north of the
Sanadayama Park. It was originally a little hill which was recessed in the center. Today it is a small underdeveloped plot of land in an urbanized area. A partial moat and bridge are present. Just south of it is Sanada High School.
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By
December 18, all the outlying forts and waterways had fallen but the Sanada Maru proved impregnable. As a stockade had been built, Ieyasu began to starve out the huge castle. However, supplies were sufficient to feed everyone for several years. Ieyasu then resorted to
281:, at the Kuruwa port, at the southeastern Hirano-guchi (平野口) gate and beside the Kuromon-guchi (黒門口) gate. Due to its position, Sanada Maru became an obstacle to the main Tokugawa force during the
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created an outer moat by cutting a channel between the canal that existed to the west and the Nekoma stream which flowed from south to north on the eastern side.
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By 1615, after its destruction, the tower keep era had reached its peak and construction declined with the establishment of the
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with a simple two-storey wooden wall on top with firing platforms augmented with other simple means of defense like
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blasted from the south, and more culverins firing from the north and the east were able to do considerable damage.
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has appeared in part or in full for different media including stage, screen and radio. These adaptations include:
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before the
Tokugawa shogunate reformed the ways of the samurai including prohibiting practices like
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offered additional defence. Cannons were placed along the walls, together with firebomb-projecting
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appointed Sanada
Yukimura as the garrison commander due to his experience opposing
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This article is about the fortification. For the
Japanese television series, see
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The following campaign and battle is often referred to as the last stand of the
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57:"Syokoku kojō no zu - Sanada Maru", map of the Sanada Maru.
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Tom O'Neill, National
Geographic Magazine, December, 2003
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416:Film, television, and theatrical adaptations
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521:Samurai: Japan's Way of the Warrior
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625:Buildings and structures in Osaka
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392:Sanada Maru was an earthwork
509:. Smithsonian Channel. 2013.
101:Show map of Osaka Prefecture
645:Castles in Osaka Prefecture
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539:Japanese Castles 1540-1640
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298:in the late 19th century.
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537:Stephen Turnbull (2006).
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168:34.673026°N 135.528767°E
565:群像シリーズ・激闘大坂の陣 最大最後の戦国合戦
427:A 2016 Japanese drama,
18:Sanada Maru (TV series)
630:Special Historic Sites
601:34.67306°N 135.52889°E
173:34.673026; 135.528767
606:34.67306; 135.52889
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506:Samurai Headhunters
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197:Site history
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640:Sanada clan
604: /
592:135°31′44″E
437:, starring
430:Sanada Maru
421:Sanada Maru
349:headhunting
332:during the
237:Sanada Maru
231:真田丸 （さなだまる）
225:Sanada Maru
171: /
159:135°31′44″E
147:Coordinates
125:Sanada Maru
89:Sanada Maru
26:Sanada Maru
619:Categories
589:34°40′23″N
456:References
267:Yodo River
254:Background
156:34°40′23″N
406:mangonels
398:palisades
388:Structure
369:culverins
361:artillery
338:engineers
192:destroyed
189:Condition
446:See also
400:. A dry
394:barbican
379:Location
269:and the
345:samurai
302:History
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410:yagura
365:Sakers
326:Ieyasu
212:Events
44:Japan
569:ISBN
543:ISBN
485:ISBN
433:for
402:moat
330:Ueda
279:moat
223:The
435:NHK
129:真田丸
93:真田丸
30:真田丸
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