Question: When did Empress Xiaogongren's husband die?
Sentence (from "Kangxi Emperor"): He suppressed the Revolt of the Three Feudatories, forced the Kingdom of Tungning in Taiwan and assorted Mongol rebels in the North and Northwest to submit to Qing rule, and blocked Tsarist Russia on the Amur River, retaining Outer Manchuria and Outer Northwest China.
Relevant evidence: No