As a Christmas symbol, the decoration of the tree is purely symbolic of happiness of people and nature as the Birth of TheanthropouStin Greece this custom of fir as Christmas decorations came for the first time with the Bavarian King Otto in 1833, meaning it had already been established as custom in the royal houses of northern Europe. Originally adorned the palaces of Nafplio and then in Athens, where residents did tails to admire. Note that in France as the custom was introduced several years after that in Greece the Countess of Orleans.