The Easter Egg predates the Christian holiday of Easter. The custom may have its origin in paganism, for a great many pagan customs, celebrating the return of spring, gravitated to Easter. The exchange of eggs in the springtime is a custom that was centuries old when Easter was first celebrated by Christians. Given as gifts by the ancient Greeks, Persians, and Chinese at their spring festivals, the egg also appears in pagan mythology, where we read of the Sun-Bird being hatched from the World Egg. In some pagan customs, the Heaven and Earth were thought to have been formed from two halves of an egg. From the earliest times, the egg was a symbol of rebirth in most cultures, an emblem of the germinating life of early spring. Eggs were often wrapped in gold leaf or, if you were a peasant, colored brightly by boiling them with the leaves or petals of certain flowers.
the 4th century consuming eggs during Lent became taboo. However, spring
is the peak egg-laying time for hens, so people began to cook eggs in
their shells to preserve them. Eventually people began decorating and
hiding them for children to find during Easter, which gave birth to the
Easter Egg Hunt. Other egg-related games also evolved like egg tossing
and egg rolling.
The sponsors in some countries give Easter eggs to their god-children. Coloured eggs are used by children at Easter in a sort of game which consists in testing the strength of the shells (Kraus, Real-Encyklop die, s. v. Ei). Both coloured and uncoloured eggs are used in some parts of the United States for this game, known as "egg-picking". Another practice is the "egg-rolling" by children on Easter Monday on the lawn of the White House in Washington. Children also hunt colored eggs and place them in Easter baskets along with the modern version of real Easter eggs -- those made of plastic or chocolate candy.
Children in France, Holland and England go from house to house asking for Easter eggs, similar to our custom of Halloween trick-or-treating. German children are given small presents which are hidden inside imitation Easter eggs.
In the Russian Orthodox church, eggs are blessed at church during Easter time and are a special breakfast on Easter morning. In fact Russia has a special place in the Easter Egg history. In 1883, the Russian Czar commissioned Peter Faberge to make a special egg for his wife. Faberge made intricate, delicately decorated eggs which later went on to be famous as the Faberge egg and is perhaps the best known of all the decorated eggs.
But believe it or not the Chinese are the first people who painted eggs. During Spring Festivals almost 3000 years ago, they exchanged red eggs as part of their celebration.