1. The most popular theory of the Holiday’s origin is that Roman Emperor Claudius II prohibited young men to marry. St. Valentine went against his wishes and performed secret marriages. For his disobedience, Valentine was executed on February 14.


2. Almost 1 Billion Valentine’s Day cards are exchanged annually, making Valentine’s Day the second most popular greeting card–giving occasion, after Christmas.


3. Men account for 73 percent of Valentine’s Day flower sales.


4. The red rose was the favorite flower of Venus, the Roman goddess of love.


5. In the Middle Ages, young men and women drew names to see who their Valentine would be. They would wear the name pinned to their sleeve for one week so that everyone would know their supposed true feelings. That’s where the expression “wearing your heart on your sleeve” originated.


6. The average U.S. consumer spends around $102 on Valentine’s Day gifts.


7. The first Valentine’s Day box of chocolates was introduced by Richard Cadbury in 1868.


8. Every Valentine’s Day, the city of Verona (where Romeo and Juliet lived), receives about 1,000 letters for Juliet.


9. Teachers will receive the most Valentine’s Day cards, followed by children, mothers, wives, sweethearts, and pets.


10. Over $1 billion worth of chocolate is purchased for Valentine’s Day in the U.S.