The Ancient Origins of Birthday Candles
We place candles on birthday cakes to represent the light of life, a tradition that likely started in ancient Greece. They believed the smoke from the flames carried their prayers up to the gods.
The custom evolved further in 18th-century Germany, where candles were placed on cakes during children's birthday festivals known as Kinderfest. People believed these flames protected the child from evil spirits and brought good luck for the coming year. Today, the tradition has morphed into a playful game of blowing them out to make a secret wish. It is fascinating how a ritual once meant to ward off spirits has become our favorite way to celebrate another year of life.
Source: Birthday cake