Valentine’s Day, also called Saint Valentine’s Day or the Feast of Saint Valentine, is an annual celebration. It originated as a Western Christian liturgical feast day honoring one or more of early saints named Valentine, and is recognized as a significant cultural and commercial celebration in many regions worldwide, although it is not a public holiday in any country.
The day first became associated with romantic love within the circle of Geoffrey Chaucer in the 14th Century, when the tradition of courtly love flourished. In 18th-century England, it evolved into an occasion in which lovers expressed their love for each other by presenting flowers, offering confectionery and sending greeting cards (known as valentines). Valentine’s Day symbols used today include the heart-shaped outline, doves, and the figure of the winged Cupid. Since the 19th century, handwritten valentines have given way to mass-produced greeting cards. (from Wikipedia)