Christmas

Christmas, also colloquially called "Passover" is one of the most important festivals of Christianity, along with Easter and Pentecost. This feast, which commemorates the birth of Jesus in Bethlehem is celebrated on December 25 in the Catholic Church, the Anglican Church, in some Protestant communities and in most of the Orthodox Churches. Instead, it is celebrated on January 7 in other Orthodox churches as the Russian Orthodox Church or the Orthodox Church of Jerusalem, who did not accept the reform made to the Julian calendar to switch to calendar known as Gregorian, a name derived from the reformer Pope Gregory XIII. December 25 is a holiday in many countries celebrated by millions of people around the world and also by many non-Christians.

English speakers use the term Christmas, which means' mass (mass) of Christ. In some Germanic languages ​​such as German, the party is called Weihnachten, that means `night of blessing '. Christmas parties are proposed, as its name suggests, celebrate the Nativity (ie birth) of Jesus of Nazareth.

There are several theories about how they came to celebrate Christmas on December 25, which arise from different ways of investigating, according to some known facts, which date Jesus would have been born.