At 29 years old Siddhartha left his wife and child for 7 weeks to attain enlightenment through fasting and meditation.
During the first week after enlightenment, the Buddha sat under the bodhi tree experiencing the happiness of freedom and peace. He was free from disturbing thoughts, calm and blissful.
During the second week, in thanks and gratitude to the tree that had sheltered him during his struggle for Buddhahood, the Buddha stood without moving his eyes as he meditated on the bodhi tree.
Following this example, it is the custom of Buddhists to pay respect to not only the original bodhi tree, but also to the descendants of the bodhi tree that still thrive today.
In the third week, the Buddha saw through his mind’s eye that the devas in the heavens were not sure whether he had attained enlightenment or not. To prove his enlightenment the Buddha created a golden bridge in the air and walked up and down it for a whole week.
In the fourth week, he created a beautiful jewelled chamber and sitting inside it meditated on what was later known as the “Detailed Teaching” (Abhidhamma). His mind and body were so purified that six coloured rays came out of his body — blue, yellow, red, white, orange and a mixture of these five. Today these six colours make up the Buddhist flag. Each colour represented one noble quality of the Buddha: yellow for holiness, white for purity, blue for confidence, red for wisdom and orange for desirelessness. The mixed colour represented all these noble qualities.