(Also read: World Introvert Day 2024: Best wishes, images, quotes, Facebook & WhatsApp status to share with introvert friends) World Introvert Day was created by German psychologist Felicitas ...

World Introvert Day falls on January 2. It all started in 2011 when a psychologist and author named Felicitas Heyne published a blog post calling for a day for the 'quiet ones'. After the holiday ...