Here's a brief history of Valentine's Day

Red rose flower at the Sian Flowers in Nairobi, Kenya. A flower is often used as a symbol of love, especially during Valentine's Day; February 14 of each year. [Caroline Chebet, Standard]

Valentine's Day originated from Rome, Italy in the 5th century.

It, however, had to wait until the 14th century for it to receive global acceptance and recognition as the date to celebrate love.