National Science Day in Thailand
National Science Day in Thailand is held on August 18. This event in the second decade of the month August is annual. 
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Commemorates King Mongkut's prediction and observation of a total solar eclipse in 1868. Adopted 14 April 1982.
Similar holidays and events, festivals and interesting facts
Yellow Pig Day on July 17 (is a monthly collaborative art project celebrating the United States' wide array of bizarre national holidays);
Building and Code Staff Appreciation Day on September 1
Day of the Workers in the Oil, Gas, Power, and Geological Industry in Turkmenistan on September 9 (celebrated on the second Saturday in September);
Astronomy Day on September 22 (autumn);
Techie's Day on October 3
World Multiplication Table Day on October 6 (Held on the first Friday in October);
National Nanotechnology Day on October 9 (United States)
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