"From 1857 onwards, Nightingale was intermittently bedridden and suffered from depression. A recent biography cites brucellosis and associated spondylitis as the cause" from Florence Nightingale, the Woman and her Legend, by Mark Bostridge (Viking, 2008) via Wikipedia (But her May 12th birthday is reason for CFS Awareness Day?)
Florence Nightingale, born May 12, 1820, was the leading advocate in her day for improved medical care in hospitals, infirmaries and battlefields. Florence Nightingale is remembered for her contributions resulting in creation of a highly regarded and respected nursing profession.
The courage and the compassion: A remarkable new book reveals the gruelling work faced by nurses during World War Two
"The Angels of Bataan and Corregidor" also known as "The Battling Belles of Bataan": US Military Nurses held captive during WWII. (Source: http://wikipedia.org.wiki/Angels_of_Bataan) #NationalNursesWeek2012