When did the husband of Nina Petrovna Khrushcheva die?
Nina Petrovna Khrushcheva: Nina Petrovna Khrushcheva (née Kukharchuk; Russian: Нина Петровна Хрущёва, Кухарчук , Ukrainian: Ні́на Петрі́вна Хрущо́ва ; 14 April 1900 – 13 August 1984) was the third wife of the Soviet leader Nikita Khrushchev. Nikita Khrushchev: Nikita Sergeyevich Khrushchev (15 April [O.S. 3 April] 1894  – 11 September 1971) was a Soviet politician who led the Soviet Union during part of the Cold War as the First Secretary of the Communist Party of the Soviet Union from 1953 to 1964, and as Chairman of the Council of Ministers, or Premier, from 1958 to 1964.
11 September 1971