International Hedgehog Day
International Hedgehog Day is held on November 10. This event in the first decade of the month November is annual. 
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On November 10, we celebrate the International Hedgehog Day, a feast of spiny, insectivorous mammals. Hedgehogs are nocturnal animals. They are already asleep in winter sleep, curled up in a tight ball in their nest of leaves and grass, hidden among the branches.
Hedgehogs really are amazing animals! Let's protect them!
Source: angels2animals.com
Similar holidays and events, festivals and interesting facts
World Freedom Day on November 9 (United States);
Tongue Twister Day on November 9 (It is celebrated on the second Sunday of November);
International Inventor's Day on November 9
International Accounting Day on November 10 (That's the date in 1494 when Venetian mathematician Luca Bartolomeo de Pacioli published an epic tome that included an in-depth look at bookkeeping practices);
World Needleworker Day on November 10 (celebrated since 2013 on St. Παρασκευή. Embroidery lovers consider her their patroness);
World Keratoconus Day on November 10
World Origami Day on November 11
Global Shopping Festival or the Biggest Shopping Day on November 11 (formerly Singles' Day);
International Day of Energy Saving on November 11