Awareness Health
World Thrombosis Day
A global day on 13 October that raises awareness of blood clots, their risk factors and their warning signs.
- UK
- USA
- International
ListingAdded by us from official sources
Last checked19 October 2026
First held2014
About the day
World Thrombosis Day is led by the International Society on Thrombosis and Haemostasis. It was first held in 2014, and the date marks the birthday of Rudolf Virchow, who coined the term thrombosis.
Dates for the next three years
| Year | Date | Where | Status |
|---|---|---|---|
| 2027 | Wednesday 13 October 2027 | UK, USA, International | Same date every year |
| 2028 | Friday 13 October 2028 | UK, USA, International | Same date every year |
| 2029 | Saturday 13 October 2029 | UK, USA, International | Same date every year |
Where this information comes from
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