<human>:  When did Florence Nightingale die?
<bot>: Florence Nightingale died on the 13th of August 1910. She was born on the 4th of May 1820, in Florence, Italy. She was a nurse, a social reformer, and a writer. She is best known for her work as a nurse during the Crimean War, where she was known as the Lady with the Lamp. She is also known for her work as a social reformer, and for her writing on the topic of nursing.