Birth of the invincible Sun, feast celebrated by the Romans after the winter solstice. To overcome the longest night, the Sun is reborn again adding a few minutes to the new day in our northern hemisphere. Roman holiday was the culmination of the Saturnalia, which were relaxed in atmosphere of Carnival customs. From the 4th century, legalized Christianity, began to consider the celebration of Christmas (nativitas), birth of Christ Sun, at this time. Overlapping parties pagan celebrations were suppressed without banning them. In this work the Christian rulers have always been teachers.
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