সঠিক উত্তর হচ্ছে: ক্রিমিয়ার যুদ্ধ
ব্যাখ্যা: Florence Nightingale, byname Lady with the Lamp, (born May 12, 1820, Florence [Italy]—died August 13, 1910, London, England), British nurse, statistician, and social reformer who was the foundational philosopher of modern nursing. Nightingale was put in charge of nursing British and allied soldiers in Turkey during the Crimean War.
Source: britannica.com