上郡 / Shangjun
上郡 / Shangjun appears in 《资治通鉴·周纪》34丨秦国总理如何玩转六国 as the much larger territorial gain 张仪 extracts from 魏国 after 秦国 returns 蒲阳. The source says 魏惠王 gives Qin fifteen counties of Shangjun.
The place matters because it turns a seemingly generous concession into a net Qin victory. Puyang is the visible gift, but Shangjun is the strategic payoff, making the episode’s 欲擒故纵式让利外交 a land-transfer mechanism rather than only a rhetorical trick.
《资治通鉴·周纪》85｜宣太后为何私通30年后暗杀了老情人？ reuses Shangjun from a Qin-Wei acquisition as part of Qin’s northern frontier structure. After 芈八子 / 宣太后 helps Qin destroy 义渠 and create 北地郡, the episode names Shangjun with 陇西郡 and Beidi as the connected Qin defensive line against northern Hu groups.
《资治通鉴·秦纪》123-2｜古代时期的“倒插门”到底有多危险 moves Shangjun into the imperial frontier branch. After 蒙恬 defeats 匈奴, recovers the Hetao region, and helps connect older defensive works into the long-wall system, the source says he sits at Shangjun for more than a decade. Shangjun therefore becomes not only a Warring States territorial gain but a command base for Qin’s post-unification northern war.
《资治通鉴·秦纪》127-2｜李斯为啥不帮英明的扶苏 makes Shangjun the place from which 扶苏 and 蒙恬 receive the forged death order after Qin Shi Huang’s final-tour death. Fusu’s frontier assignment from the坑儒 branch therefore becomes the very location that lets 赵高, 李斯, and 胡亥 remove the legitimate heir while still away from Xianyang.
Connections
- 张仪 - strategist whose maneuver wins the territory.
- 秦国 - recipient and rising western power.
- 魏国 and 魏惠王 - state and ruler that surrender the counties.
- 蒲阳 - returned place that makes the exchange psychologically effective.
- 秦国东进压力 and 连横 - broader Qin pressure and diplomatic field.
- 义渠, 芈八子 / 宣太后, 北地郡, 陇西郡, and 秦国后方边患管理 - Zhouji 85 northern frontier line after Yiqu’s destruction.
- 蒙恬, 匈奴, 战国北境长城, and 统一后战争惯性 - Qinji 123-2 imperial frontier command and wall-integration branch.
- 扶苏, 赵高, 李斯, 胡亥 / 秦二世, and 伪诏继位政变 - Qinji 127-2 forged order and displaced-heir setting.