Question: What is the date of death of Empress Xiaoduanwen's husband?
Sentence (from "Hong Taiji"): Hong Taiji (28 November 1592 – 21 September 1643), sometimes written as Huang Taiji and formerly referred to as Abahai in Western literature, was the second Khan of Later Jin (reigned from 1626 to 1636) and the founding emperor of the Qing dynasty (reigned from 1636 to 1643).
Relevant evidence: Yes