He mobilized seven million men and women of Henan to dig the Tongji Canal, drawing water from the Yellow River at Banzhu to link with the Huai. (History of the Northern Dynasties (Beishi), Annals 北史 卷12 大業元年)
Yang Su, Yang Da and Yuwen Kai were put in charge of building the Eastern Capital, and residents from the walled towns of Yuzhou were moved there to fill it. (Book of Sui (Suishu), Imperial Annals 隋書 卷003 帝紀 大業1年3月)
Over a million men and women of Henan were conscripted to dig the Tongji Canal, linking the Gu and Luo rivers to the Yellow River from the Western Garden, and the Yellow River to the Huai River at Banzhu. (Book of Sui (Suishu), Imperial Annals 隋書 卷003 帝紀 大業1年3月)
Emperor Yang traveled to Jiangdu on a dragon boat; the fleet of boats stretched for over 200 li. (Book of Sui (Suishu), Imperial Annals 隋書 卷003 帝紀 大業1年8月)
On the day Xinhai in March 605, Huangfu Yi, Right Vice Director of the Secretariat, is ordered to conscript about a million people from the commanderies of Henan and Huaibei to open the Tongji Canal. (Zizhi Tongjian (Comprehensive Mirror) 권180 605년 항)
In August 605 (Renyin day), Emperor Yang sets out for Jiangdu, leaving Xianren Palace, and Wang Hong sends dragon boats to receive him. (Zizhi Tongjian (Comprehensive Mirror) 권180 605년 항)
Southeast Asia (1)
Liu Fang of the Sui, as chief commander of the Huanzhou route, set out to campaign against Linyi. (Đại Việt sử ký toàn thư 外紀卷之五 「乙丑春正月，劉方新平我土，隋群臣」)