Question: What is the date of death of Elisabeth Christine Of Brunswick-Wolfenbüttel, Crown Princess Of Prussia's husband?
Sentence (from "Elisabeth Christine of Brunswick-Wolfenbüttel, Crown Princess of Prussia"): Elisabeth Christine Ulrike of Brunswick-Wolfenbüttel (Elisabeth Christine Ulrike; 8 November 1746 – 18 February 1840), was a Crown Princess of Prussia as the first wife of Crown Prince Frederick William, her cousin and the future king Frederick William II of Prussia.
Relevant evidence: Yes