4 links
How Valentine's Day Works
howstuffworks.com
Explores the history, traditions, and fun of Valentine's Day.
Saint Valentine's Day
pictureframes.co.uk
The stories behind the holiday and the traditions that are a part of it.
The History of Valentine's Day
kraftfoods.com
Traces Valentine's Day back to its roots in ancient Rome.
The History of Valentine's Day
historychannel.com
Information on the origins of the most romantic holiday, including the real St. Valentine. From The History Channel.