Slowly Stamp
World Blood Donor Day
This international day raises awareness about the importance of donating blood to save lives. It honors the birthday of Karl Landsteiner, who discovered blood groups and made transfusions safer. The event celebrates the selfless act of voluntary donors and encourages more people to donate, ensuring enough blood supply for emergencies.
- Global Release
- First Release 28 May 2026
- Stamp Series International Days
- https://en.wikipedia.org/wiki/World_Blood_Donor_Day
How to get?
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Stamp Store International Days
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Time Machine
How to add to your Stamp Collection?
- Collect from a letter
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All Slowly stamps are hand-drawn by illustrators.
The stamp description may contain AI-generated text and inaccuracies. It is provided for reference only, primarily sourced from Wikipedia, UNESCO, and other reliable references.You may also like
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