April first is commonly known as "April Fools' Day", a celebration where people play pranks and practical jokes on each other. Other synonyms for this day include "All Fools' Day" and "Jester's Day". In some regions, the day is also known as "April Noddy Day" or simply "Noddy Day". Other languages also have their own names for this day such as "Poisson d'Avril" in French which translates to "April Fish Day" and "Dia da Mentira" in Portuguese which means "Day of Lies". Regardless of its name, April first is a light-hearted day for fun and laughter.