Joy Germ Day
Joy Germ Day is held on January 8. Back in 1981, Joan White of Syracuse, New York thought of the idea of holding joy germ Day. This event in the first decade of the month January is annual. 
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In humans, this is what happens when one person hears another laugh and also starts cracking up. There's also a physiological reason why laughter is contagious. The sound of a chuckle triggers regions in the premotor cortical region of your brain, which is involved with moving facial muscles to correspond with sound. Co-laughter, then, may just be the best medicine.
On January 8th, JoyGerm Day annually reminds people across the country that by being positive and treating people with kindness, they can influence those around them and pass that positive attitude on to others. You are here to spread joy, kindness, being positive as like how the germs get spread.
Similar holidays and events, festivals and interesting facts
Distaff Day on January 7 (medieval Europe);
I'm Not Going To Take It Anymore Day on January 7
Old Rock Day on January 7 (This day is completely dedicated to collect different rocks);
Argyle Day on January 8 (The argyle pattern comes from the tartan of Clan Campbell, which originated in Argyll in western Scotland);
Bubble Bath Day on January 8 (Bubble Baths have been popular for as long as baths with surfactant-based soap have been a thing);
Earth's Rotation Day on January 8 (In 1851, the French physicist Léon Foucault demonstrated how the earth rotates by suspending a lead-filled brass ball from the top of the Panthéon in Paris);
Male Watchers Day on January 8
Show & Tell Day At Work Day on January 8
Static Electricity Day on January 9
Play God Day on January 9 (What we do know ,is that God is good. Therefore, we believe that Play God Day is a day to do something good and extra special)