Traditionally, the Roman calendar began the first day of March. However, it was in January (the eleventh month) when the consuls of ancient Rome assumed the government. Julius Caesar, in 47 BC, changed the system, creating the Julian calendar, with some modifications in the time of Marco Antonio consul in 44 BC, the emperor Augustus Caesar in 8 BC and finally by Pope Gregory XIII in 1582, is used today. In this year begins on January 1. Subsequently, the Gregorian calendar had the habit and the celebration was marked with a religious significance during the Middle Ages and later centuries.
With the expansion of Western culture to the rest of the world during the twentieth century, the January 1 date became a universal in nature, even in countries with their own New Year celebrations (e.g., China).
At present, the celebration of New Year is a major event in the world. Major events are held in major cities around the world New Year's Eve (New Year's Eve for the December 31), being accompanied by the largest fireworks events. The largest events in the world are focused on:
Australia Sydney
Hong Kong Hong Kong
GBR London
USA New York
Brazil Río de Janeiro,São Paulo
Chile Valparaíso
While in Sydney was launched at midnight over 80,000 fireworks to more than one and a half million attendees, being the most-watched event on television worldwide last year at Valparaiso receive more than two million visitors to witness the largest fireworks in a natural setting and the huge worldwide; a total of more than 21 kilometers of fireworks on the bay, from the commercial port city of Valparaiso to Concon, Chile, all in 25 minutes of entertainment. In New York, the celebration is focused around a big crystal ball that descends on a crowd in Times Square, is also the party with the largest number of attendees last year: more than three million people. Moreover, much of the huge holiday clubs.
In the culture of Latin America there are a variety of traditions and superstitions for these dates as a way of omens for the coming year. The uncorking a bottle of champagne at 0:00 1. January still remains a symbol of New Year's celebration.
The New Year feast is closely related to the celebration of Christmas Eve, Christmas and Hannukah. Due to the closeness between all these parties is that much of the world sees the last week of the year as the beginning of the holiday period, either in winter (in the Northern Hemisphere) or summer (in the Southern Hemisphere).
According to the Judeo-Christian tradition, on January 1 coincides with the circumcision of Christ (eight days after birth), when the name of Jesus (Luke (II: 21)).



