《资治通鉴·晋纪·晋纪二十一》
秋季，七月，前秦丞相苻雄把张遇及陈郡、颍川、许昌、洛阳的百姓五万多户迁徙到关中，任命右卫将军杨群为豫州刺史，镇守许昌。
秋，七月，秦丞相雄徙张遇及陈、颍、许、洛之民五万馀户于关中，以右卫将军杨群为豫州刺史，镇许昌。
In autumn, in July, Fu Xiong, the former Prime Minister of Qin, moved more than 50,000 households from Zhang Yu, Chen County, Yingchuan, Xuchang, and Luoyang to Guanzhong, and appointed Yang Qun, the right guard general, as the governor of Yuzhou to garrison Xuchang.