Fixed Gregorian-calendar rule for World Blood Donor Day: 14 June every year.
Facts
Reckoning
Month Number Observance
Observance NoteMarks the day's first organization in 2004 by the World Health Organization together with three partner blood and transfusion organizations, raising awareness of the need for safe blood and thanking voluntary donors. 1 Connections
Timing Rule For
Source Wikipedia: World Blood Donor Day
Sources
1. Wikipedia: World Blood Donor Day
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