International Doubt Day
International Doubt Day is held on June 1. This event in the first decade of the month June is annual. 
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International Doubt Day has been celebrated since 2014 at the initiative of social media users. The path of a freethinker isn't always an easy one. It forces you to challenge what you have been taught, and often to challenge the very foundations of your belief. Many struggle with their belief, with doubt, with the emotional burden of having questions with no certain answers, and with the threat of losing their friends, family or community upon speaking openly about their true thoughts and feelings.
Similar holidays and events, festivals and interesting facts
World Parrot Day on May 31
European Siblings' Day on May 31
Save Your Hearing Day on May 31
World Milk Day on June 1 (is a day established by the Food and Agriculture Organization [FAO] of the United Nations to recognise the importance of milk as a global food. It has been observed on June 1 each year since 2001);
International Neighbours' Day on June 1
World Responsible Tourism Day on June 1 (Celebrated since 2012 on the first working day of June);
Wear A Dress Day on June 1
Go Barefoot Day on June 1
Dare Day on June 1
Drawing Day on June 1
Flip a Coin Day on June 1
Say Something Nice Day on June 1
Sea kayaking in Croatia on June 1 (June to September);
International Sex Workers Day on June 2 (In 1975, on 2nd June, about 100 sex workers occupied Saint-Nizier Church in Lyon, France, to express their anger about their criminalised and exploitative living conditions. On 10th June at 5 o'clock the Church was brutally raided and cleared by police forces. This action sparked a national movement, and the day is now celebrated in Europe and around the world);
World Heart Rhythm Week on June 2
World Eating Disorders Action Day on June 2
National Bubba Day in USA on June 2
Leave The Office Early Day on June 2
I Love My Dentist Day on June 2
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