京師洛陽 黃橋之役 西晉宗王 武帝司馬炎 惠帝司馬衷 邑野蕭條 黃河南北兩岸 殺戮戰場 舉兵向闕 軍事重鎮 宗王出專重鎮 The capital luoyand The war of the yellow bridge The princes of the western chen Emperor wu di sima yan(265-289 A.D.) Emperor hui di sima chung(290-306 A.D.) Recession of the cities outskirts The north and south side of yellow river Staughter battlefield Mobilized army to attach the capital Key fortress Princes sent soldiers to defend the city