Mousmi ChauhanNew Delhi, Feb. 15 -- Every year on February 14, people across the world celebrate Valentine's Day, a day dedicated to love, affection and heartfelt expression. From handwritten letters to grand romantic gestures, the occasion has evolved dramatically over centuries while retaining its core spirit: celebrating love in all its forms.

The origins of Valentine's Day trace back to ancient Rome. The most popular legend links it to Saint Valentine, a priest who lived during the reign of Emperor Claudius II. According to folklore, Claudius banned marriages for young men, believing single soldiers performed better in battle.

Valentine defied the order and secretly performed weddings for couples in love. He was eventually executed on...