Valentine's Day is a holiday celebrated on February 14 by many people throughout the world.

It is the traditional day on which lovers express their love for each other by sending Valentine's cards, presenting flowers, or offering confectionery.

The day is most closely associated with the mutual exchange of love notes in the form of "valentines". Modern Valentine symbols include the heart-shaped outline, doves, and the figure of the winged Cupid. Since the 19th century, handwritten notes have largely given way to mass-produced greeting cards. .

In U.S, many people send Valentine's Day card. The man will spend more than double the money to buy gifts for women

In Singapore, lovers send each other gifts, to express their love. Sending cards in Singapore is relatively rare, most people have flowers or chocolate for their lover.

In England, many children dressed up as adults on Valentine's Day.They went singing from house to house.One verse they sang was:
Good morning to you, valentine;
Curl your locks as I do mine ---
Two before and three behind;
Good morning to you, valentine.

There are many different legend of Valentine's day,the most femous one is:
It is said that the tyrant was forced enlistment of young men, men in order to evade military service, then the pretext of marriage. Angry tyrant, ordered a ban on marriage, or even not allowed to love, to force young men to join the army.

Valentine expressed deep sympathy for the lovers risking the auspices of a secret wedding. Later, things leak, put to death Valentine was arrested. The world in order to commemorate the heroic acts of Valentine, on instructions from him as the patron saint of lovers, and his Martyrdom Day - February 14 as "St. Valentine Day", after years of circulation, into today's Valentine's Day .