The baby Jesus had two lots of visitors. On the night he was born, angels told some shepherds in the fields that they would find a newborn king lying in an animals' feed bin (or "manger"). Jesus' other visitors were some wise men who saw a new star in the sky and followed it, until they found the house where the family was now living and gave the young child expensive gifts of gold, incense and a precious herb called myrrh. (The wise men are often traditionally called the Three Kings, because there were three very expensive presents but the Bible does not say how many wise men there were.)
All these parts of the Christmas story are remembered and celebrated in different ways at Christmas: in pictures, songs, plays, stories and in models that are called "cribs", "creches" or "presepe".
Most Christian countries of the world use a calendar called the Gregorian Calendar, but some churches use a calendar called the Julian Calendar. Most Christians, such as those of the Catholic and Protestant Churches, celebrate the birth of Jesus on 25 December, although holidays begin on 24 December also known as Christmas Eve.
The Eastern Orthodox Church still uses the Julian Calendar in some regions such as Russia. In such regions, Christmas is celebrated on 25 December in the Julian Calendar, but because of the difference between the calendars it is 7 January in the modern Gregorian Calendar.
Some Christians, like Jehovah's Witnesses, do not celebrate Christmas because there is no instruction from Jesus in the Bible which tells Christians to celebrate his birth. Mormons celebrate Christmas on 25 December but they believe that Christ's actual birth took place on 6 April.
Some believe that Jesus was probably not born on 25 December. Some historians believe this date was used by the Catholic Church to replace the pagan rites that took place at that time of the year.
The Season of Advent, which begins on Sunday about four weeks before Christmas Day, is celebrated by the Catholic and Anglican Churches, as well as others. It is a time for people to prepare themselves for two different things: for the coming of the baby Jesus and Christmas, and for the second coming of Jesus, when he shall rule over all the Earth in peace. Not all Christian people remember Advent. Some people use it as a time of fasting, study, meditation and prayer. Special Advent Calendars are made for children, with pictures or treats for each day of Advent.
Generally, Advent is a time when many people are very busy in preparation for Christmas Day, cleaning and decorating, buying food and presents, writing cards and letters, and cooking the Christmas feast.
Before the 4th century AD, Christians could only worship and celebrate in secret. The feast of Christmas probably began while Constantine was the Emperor of Rome, because it was he who made Christianity a legal religion and built some of Rome's oldest churches. Some old stone coffins or "sarcophagi" from this time are carved with pictures of Mary and baby Jesus and the Wise Men.
Through the Middle Ages Christmas was celebrated with feasting, singing and plays. The plays were held in churches, and also in castles and in market places, where a big hay wagon was sometimes used as a stage.
Because Advent was a time of prayer and preparation, most parties were held after Christmas, rather than before it. The main pre-Christmas celebration was the Feast of St. Nicholas on 6 December. In some countries, particularly the Netherlands, the tradition grew for children to receive presents on this day, rather than Christmas Day. The name of Saint Nicholas is now remembered in many countries as Santa Claus.
Another festivity that takes place is the Feast of Saint Lucy (St. Lucia Day) on 13 December which is particularly celebrated in Scandinavia, where girls take part in candlelit processions, and the daughters of the house must rise early to bring coffee or chocolate to the family.
For many centuries, the celebration of Christmas often began with a church service or mass, which lasted from late at night to after midnight on Christmas morning. Christmas Day was a time of feasting. On the following day, the Feast of Saint Stephen people from rich households would carry boxes of food out to the street for the poor and hungry. Many people would go back to work but employers would give gifts of money to their workers. The Holy Days continued with the feast of Saint John and Holy Innocents' Day. The feasting and parties ended on the Feast of the Epiphany, the day of the Three Wise Men, often called the "Three Kings". The season is nowadays remembered by the song "The Twelve Days of Christmas". William Shakespeare wrote a play to be performed as part of the celebration, called "Twelfth Night".
For many, Christmas has become a time when having parties, sending messages to family and friends and giving presents has become more important than the celebration of Jesus' birth. Manufacturers and stores have responded to the feasting and present-giving with lots of advertising, decorations and displays. In the US, the Christmas displays are put up right after Thanksgiving, late in November. In some countries such as Australia, stores put up decorations at the beginning of November. Given that Jesus himself called people making money in the Jewish Temple 'robbers' (Matthew 21:13) many Christians are uneasy about profit instead of prophets at Christmas.
Town councils celebrate by decorating streets and squares, and providing Christmas entertainment for shoppers. In countries of the Southern Hemisphere, where Christmas falls in Summer, there is a tradition of open-air Carol Services, often organised by the town council, which are attended by thousands of people.
Many Christians celebrate Christmas by attending church, and with prayers and singing. And each year there are Bible readings from the Gospels that tell the story of the birth of Jesus.
Christmas traditions are of several types. There are traditions of the church, traditions which are public celebrations and traditions that are kept by families. These traditions are different in different times, places, cultures and even families.
The celebration of Christmas is a very important time for churches. Almost every church has special services or celebrations. Here are some of the ways that churches celebrate Christmas.
It is the custom in many churches to set up a Crib (or "Creche") scene of the "Nativity" or birth of Jesus. The first scene of this type was set up by St. Francis of Assisi in the 13th century. They have been very popular in Italy ever since then, and the custom has spread to other countries.
Nativity scenes can be large with life-sized statues, or they can be tiny enough to fit in a matchbox. They are made of many different things including carved and painted wood, brightly coloured ceramics (pottery), painted paper glued to boards, and mixtures of material with clay, wood, cloth, straw and metal used for different parts.
The Advent wreath is a circle of leaves, usually pine boughs, ivy and holly, with 4 (or sometimes 5) candles in it which is hung up in a church. The candles are lit on each Sunday in Advent, and the central candle is lit on Christmas morning. Churches are often decked with green branches and leaves, and many churches also have a Christmas tree.