Some historians believe that Christmas derives from Yalda night. The word Yalda originally means ‘birth,’ and in this celebration refers to the birth of Mithra, The god of light and perhaps Jesus. However, we are sure that Christmas and Yalda night derives from the celebration of the Winter Solstice. The red and green colors, eating and drinking, candle lights, and spending time with friends and family are similarities between these two traditions. Read more about: Christmas in Iran