World Donor Day, also known as World Blood Donor Day, is observed every year on June 14 to raise awareness about the importance of voluntary blood donation and to thank donors for their life-saving contributions. In 2025, the day continues to highlight how one unit of blood can save multiple lives and support critical medical treatments.HistoryThis global observance was initiated by the World Health Organisation (WHO) in 2004, and the date June 14, commemorates the birthday of Karl Landsteiner, the Austrian scientist who discovered the ABO blood group system, making blood transfusion safe and effective.SignificanceThe main goal of World Donor Day is to encourage healthy individuals to donate blood voluntarily and regularly. It also aims to ensure a stable supply of safe blood in hospitals and blood banks. Every year, a new theme is chosen to focus on specific challenges or awareness areas. While the theme for 2025 is yet to be officially announced, the underlying message remains clear: “Give blood, give plasma, share life, share often.”About World Donar Day In many countries, there is still a shortage of blood, especially in emergencies, surgeries, and for patients with chronic illnesses like cancer, thalassemia, or hemophilia. Voluntary, unpaid blood donation is the safest form of donation and forms the foundation of a healthy and reliable blood supply system.