What is Valentine's Day and how did it start?
Valentine's Day, or St Valentine's Day, is celebrated every year on 14 February.
It's the day when people show their affection for another person or people by sending cards, flowers or chocolates with messages of love.
Who was St Valentine?
The day gets its name from a famous saint, but there are several stories of who he was.
The popular belief about St Valentine is that he was a priest from Rome in the third century AD.