Valentine's Day: How Did It Start and Become Popular in the U.S.?

The actual historical origins of Valentine’s Day may be obscure, but that hasn’t diminished the marketing machine behind this $21.8 billion industry.

All About Valentine's Day in the USA

Valentine's Day has dark origins. Here's how it started : NPR

Did Valentine's Day Start as a Roman Party or to Celebrate an Execution? - The New York Times

Valentine's Day History, Origin, Why We Celebrate, and More

Be Mindful: A Kids Valentine's Day Craft from the Heart, Early Childhood

When is Valentine's Day? How did it start? What to know

7 heart-shaped food items you can get for Valentine's Day in Portland

Valentine's Day - Wikipedia

Valentine's Day gifts that will be delivered by Feb. 14