World Blood Donor Day is observed on 14 June every year. It is a day to thank blood donors for their life-saving gifts of blood and to raise awareness of the need for blood donation. The day was first established in 2004 by the World Health Organization (WHO) and the International Federation of Red Cross and Red Crescent Societies (IFRC).
Blood is a precious resource that is essential for life. It is used in a variety of medical procedures, including transfusions, surgeries, and organ transplants. Every year, millions of people around the world need blood transfusions. However, there is still a shortage of blood in many countries.
World Blood Donor Day is an opportunity to raise awareness of the need for blood donation and to thank blood donors for their life-saving gifts. It is also a day to encourage people to become blood donors.
Option A is incorrect because 11 December is the International Day of Human Solidarity.
Option B is incorrect because 11 July is the World Population Day.
Option C is incorrect because 25 November is the International Day for the Elimination of Violence against Women.
Option D is correct because 14 June is World Blood Donor Day.