Florence Nightingale revolutionized nursing practices by establishing standards for sanitary care and patient management in the 19th century. She introduced the importance of hygiene and statistical analysis to improve health outcomes, notably during the Crimean War, where her efforts dramatically reduced mortality rates. Nightingale emphasized the need for proper training and education for nurses, paving the way for formal nursing schools and modern practices. Her innovative approach transformed nursing into a respected profession, advocating for patient rights and the significance of compassionate care. Nightingale's legacy endures, inspiring healthcare professionals globally.