Why is World Blood Donor Day celebrated on 14 June?

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Detailed Solution

World Blood Donor Day is celebrated on 14 June to honor the birthday of Karl Landsteiner, the scientist who discovered blood groups. Karl Landsteiner was born on 14 June 1868. His discovery of blood groups made safe blood transfusion possible, saving millions of lives worldwide.

To recognize his contribution and to promote awareness about the importance of blood donation, the World Health Organization (WHO) designated 14 June as World Blood Donor Day.

Discovery of Blood Groups: Karl Landsteiner identified A, B, AB, and O blood groups, which revolutionized blood transfusions.
Safe Transfusions: Before his discovery, blood transfusions were risky and often fatal due to mismatched blood types.
WHO Recognition: In 2004, the WHO officially started celebrating World Blood Donor Day on 14 June to raise global awareness.

Objective	Description
Raise Awareness	Educate people on the need for safe blood.
Thank Donors	Appreciate voluntary, unpaid blood donors.
Encourage Donations	Promote regular blood donation habits.

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