Valentine's Day - February 14 Crossword

It was originally a day to celebrate this Saint?
Venus's favorite color rose.
He applied for his telephone patent on this day 1876.
On average 22,000 of these happen on this day.
This tree is a symbol of lasting friendship and love.
This antibiotic was introduced on this day 1929.
This king declared it a holiday in 1537.
At least 9 million people will buy gifts for them on Valentine's Day.
Approximately 8 billion of these candies are produced each year for today.
Around 50 million of these are given on this day around the world.
73% men by these for their Valentine's.
Women buy 85% of these for this Holiday.
A popular phrase was born from this practice in the middle ages. Young people would put the name of their Valentine here.
The son of Venus.
Each year, the Italian city Verona receives around 1,000 letters for her.
He invented the first Valentine's Day candy box in the 19th century.
50% of the Valentine cards are bought this many days prior to the holiday.
Over 40,000 Americans work at these companies.
It was considered bad luck to sign a Valentine in this period.
In the United States approximately how many billion Valentine's Day cards are exchanged every year?