This is our day guide for Wednesday August 20th 2025 which shows you at a glance what's happening on this day around the world. Using the calendar on this page, you can look at a day guide for any day. Why not look up your birthday to see which holidays you share it with?
Observances on August 20th 2025
World Mosquito Day
A day observed in the honour of the man who discovered that the deadly disease of Malaria is spread through a mosquito bite.
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Public Holidays on August 20th 2025
Saint Stephen's Day
20th of August is the oldest national holiday in Hungary. It is generally considered to be the State Foundation Day of Hungary. Its origin roots back to the first king and state founder of Hungary, St. Stephen, who transformed the country into a European Christian country.
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