World Oyster Day
World Oyster Day is held on August 5. This event in the first decade of the month August is annual. 
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One of the most interesting oyster facts is that oysters change their sex during their lives, starting as males and usually ending as females. Humans have been eating and cultivating oysters for thousands of years. This special day is World Oyster Day, a holiday dedicated to celebrating these bivalve mollusks. Whether you regularly order oysters or only treat yourself to this delicious seafood on occasion, be sure that you make a point of ordering a great oyster dish.
Although most American oysters are the same species, they have different flavors. Because oysters filter so much water, they develop a flavor profile from their environment. Different bodies of water have varying levels of salt and different kinds of nutrients.
Similar holidays and events, festivals and interesting facts
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National White Wine Day in US on August 4
National Bakery Worker's Day in Argentina and Chile on August 4
Avocado Day in Nuevo León, Mexico on August 4
International Assistance Dog Week on August 4 (Starts on First Sunday in August);
International Forgiveness Day on August 4
International Traffic Lights Day on August 5
National Root Beer Float Day in USA on August 6
Ham Day in Japan on August 6 (Hamu No Hi);
Peruvian Nutritionist's Day on August 6
Hiroshima Peace Memorial Ceremony on August 6 (Hiroshima, Japan)