About one billion Valentine's Day cards are exchanged in the U.S. each year.

Women purchase 85% of all valentines.

In order of popularity, Valentine's Day cards are given to teachers, children, mothers, wives, sweethearts, and pets.

Parents receive one out of every five valentines.

About 3% of pet owners will give Valentine's Day gifts to their pets.

Valentine's Day and and Mother's Day are the biggest holidays for giving flowers

Worldwide, over fifty million roses are given for Valentine's Day each year.

California produces 60% of American roses, but the vast number sold on Valentine's Day in the U.S. are imported, mostly from South America.

73% of people who buy flowers for Valentine's Day are men.

In the Middle Ages, young men and women drew names from a bowl to see who their valentines would be. They would wear these names on their sleeves for one week. To wear your heart on your sleeve now means that it is easy for other people to know how you are feeling.

Verona, Italy, where Shakespeare's Romeo and Juliet lives, receives about one thousand letters addressed to Juliet every Valentine's Day.

Richard Cadbury invented the first Valentine's Day candy box in the late 1800s.

Alexander Graham Bell applied for his patent on the telephone, an "Improvement in Telegraphy," on Valentine's Day, 1876.

The oldest surviving love poem, to date, is written in a clay tablet from the time of the Sumerians, inventors of writing, around 3500 BCE.