Yizong (Chongzhen Emperor, Zhu Youjian) ascended the throne; the following year was named the first year of Chongzhen. (History of Ming (Mingshi), Annals 明史 卷23 天啟七年)
Hearing that Ming had built walls at Jinzhou, Daliaohe, and Xiaoliaohe and set up military farms, Hong Taiji personally led the attack. (Draft History of Qing (Qingshigao) 清史稿 卷2 天聰1年五月)
Southeast Asia (1)
Prince Thanh Đô faced the enemy at Hải Môn in Nhật Lệ; the great army was repeatedly disadvantaged and turned back. (Đại Việt sử ký toàn thư 本紀卷之十八 「'''丁卯，九年（明天啟七年）[」)
Calling everyone together, they concluded that trade should go on as before to repay debts, and that those on the list be registered as 'purchasers'. (Bradford, Of Plymouth Plantation Bradford 1908 Jameson판 OCR l.10565)
A ship bound for Virginia lost its way and ran aground at Cape Cod. The governor helped, repaired it again and again, and looked after the passengers. (Bradford, Of Plymouth Plantation Bradford 1908 Jameson판 OCR l.10632)
To make trade easier on the waterways, they built a small bark at Manomet, built a house, and placed men there to raise grain and pigs. (Bradford, Of Plymouth Plantation Bradford 1908 Jameson판 OCR l.10797)
Isaac de Rasiere of New Netherland sent the governor of Plymouth a letter asking for friendship and trade. (Bradford, Of Plymouth Plantation Bradford 1908 Jameson판 OCR l.10864)
A set of articles with the 'undertakers' (Bradford, Standish, Allerton and others): the colony took on the debts, and they had trade rights for six years (articles 1–6). (Bradford, Of Plymouth Plantation Bradford 1908 Jameson판 OCR l.11043)