Charles, Duke of Orléans, penned the initial Valentine from the Tower of London to his beloved Isabella during his 25-year imprisonment.
Cupid, originally Eros, was a Greek god responsible for making mortals fall in love, with his playful demeanor concealing the potential for tragic consequences.
Esther Howland, the Mother of American Valentine, commercialized Valentine's Day cards in the US, introducing affordable and elegant designs after seeing a pricey English card.
Richard Cadbury pioneered heart-shaped boxes of chocolates in 1868 as a Valentine's Day marketing strategy, enhancing the gift appeal.
The Juliet Club in Verona receives thousands of "Dear Juliet" letters worldwide, with the most touching one earning the "Cara Giulietta" prize for a visit to Juliet's house.
Roman men in the era of Emperor Claudius II wore the names of chosen women on their sleeves during the Roman celebration, symbolizing temporary unions.
Pope Gelasius I officially declared February 14 as a festival in honor of St. Valentine in 496 A.D., initially unrelated to romantic love but later evolving during the Middle Ages.