World Blood Donor Day - June 14
https://nationaldaycalendar.com/world-blood-donor-day-june-14/

Learn about Karl Landsteiner – the man who discovered the types of human blood – in this blog post: http://jmnorthup.blogspot.com/2020/05/did-you-know-karl-landsteiner.html

Learn about the history of World Blood Donor Day in this blog post: http://jmnorthup.blogspot.com/2020/06/did-you-know-world-blood-donor-day.html

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