In 16th-century Germany fir trees were decorated, both indoors and out, with apples, roses, gilded candies, and colored paper. In the Middle Ages, a popular religous play depicted the story of Adam and Eve �s expulsion from the Garden of Eden.

A fir tree hung with apples was used to symbolize the Garden of Eden -- the Paradise Tree. The play ended with the prophecy of a saviour coming, and so was often performed during the Advent season.

It is held that Protestant reformer Martin Luther first adorned trees with light. While coming home one December evening, the beauty of the stars shining through the branches of a fir inspired him to recreate the effect by placing candles on the branches of a small fir tree inside his home.