The flag of Turkey initially had a green base with only a crescent and later in 1793 was changed to a red base by Sultan Selim III and then in the year 1844 a star was added.
The red colour of the flag was continued even in the Ottoman Empire who ruled Turkey and it was considered as a traditional Islamic colour.But however the current flag of Turkey was adopted on 5th June, 1936.This flag has a red base with a white crescent and a five pointed star concentrated more towards the hoist side of the flag. The Turkish flag is called as 'Ay Yildiz which means moon star. Though history says that the star and the moon are symbols of Islam there are evidences which says they were in use even much before the advent of Islam.
The Moon is large enough for its gravity to affect the Earth, stabilizing its orbit and producing the regular ebb and flow of the tides. The Moon is familiar to us for its different phases, waxing and waning in appearance in an unchanging cycle. It is also associated with the mother, maternal instincts or the urge to nurture, the home, the need for security, and the past, especially early experiences and childhood. The moon has been used as the symbol of Elixir and is believed to give eternal life. Every religious ritual is done according to the waxing and waning of the moon. The moon even reflects the peaceful and friendly attitude of the Turkish people. Similarly, the moon is taken as the head of the asteroids and a symbol of the heart.
Astrological star is a symbol of light meaning bright future. The golden five-pointed star is a very common ideogram in the western world, and has particularly strong associations with military power and war thus signifying the military of Turkey. Astrology says that the star is also connected with the symbol of good sheperd.The five-pointed star, if drawn with points of equal length and angles of 36° at each point, is sometimes termed a golden five pointed star. If the colinear edges are joined together a pentagram is produced, which is the simplest of the unicursal star polygons, and a symbol of mystical and magical significance. By associating ourselves with the Star symbol, we are thinking of ourselves at the simplest, finest, level. As nothing but light, in fact. And just as the demonstration of our loving nature, even just a smile to a passer-by, can brighten other people's lives - can totally alter the course of a day for them - so letting the Starlight shine from our hearts has a way of touching them inwardly. The star is generally said to symbolize the hopes and aspirations of the people of Turkey. It means balance between the gifts of life and our gift to life.
Red is held to be the most intense colour, the furthest from both black and white, and it is noteworthy that those languages which only have words for three basic colours always select black, white, and red. The red colour according to astrology signifies passion, warmth, vigor, strength and vitality which are also the nature of the people of Turkey. Red being related to fire and blood it is considered to be symbol of heat. It is even believed that red is the first color used by human beings. Red is active, daring, passionate, and optimistic. It enhances alertness and encourages activity.
The five points in the star may also signify the sensual awareness in the form of the five senses as well as protection. It is also a number which represents service to others signifying the nature of people of Turkey. This number governs our ability to think clearly and our intellectual capacity. Five represents openness to new experiences as well as new ideas. Seeking freedom, it is often the adventurer. Five is about pushing life to its limits. It is a multifaceted number with links to our state of physical and mental health.