Saint Apollonia is the patroness of dentistry and all those who suffer from toothache or any kind of dental problems. The Christians celebrate the Feast Day of St. Apollonia annually on February 9.
The Tuesday before the beginning of Lent is Mardi Gras (French for Fat Tuesday). The festival is the last night of eating rich and fatty foods before a long-lasting Lenten season.
Safer Internet Day is an annual observance organized by the Insafe network each February. It is dedicated to raising awareness of emerging online issues, from social networking to cyberbullying, and making Internet a safer place for kids and young people across the world.