Vesak festival is a religious and cultural festival in Sri Lanka is celebrated in the day of the full moon in the month of May. This is one of the biggest celebration day of the year and is celebrated by Buddhists all over the world. Buddhists commemorate the important events that took place in the life of Load Buddha on this day. The First one is the birth of Siddarta Gauthama in Lumbini in Nepal which took place under the arbor of sat trees where queen Mahamaya gave birth to Siddhartha. The second was Siddhartha Gauthama’s supreme attainment as the Buddha’s Enlightened. The third one was Loard Buddha’s Parinibbana over 2500 years ago at Kusinara Uyana.