Florence Nightingale is renowned for her contributions to the field of nursing during the Crimean War. Her pioneering work improved sanitary conditions in military hospitals, significantly reducing the death rate from preventable diseases. Nightingale's commitment to patient care and her meticulous approach to data collection established nursing as a vital profession. She advocated for proper training and education for nurses, laying the groundwork for modern nursing practices. Her enduring legacy includes the establishment of the Nightingale Pledge, a code of ethics for nurses, ensuring that her influence continues to inspire healthcare professionals around the world.