Today (05) is the great Vesak festival, which commemorates the birth, enlightenment and death of Lord Gautama Buddha.

The entire Buddhist people celebrate Vesak Poha on the day of Vesak Poho by giving priority to Amisa and principle offerings.
 
In the eighth year of Buddhahood, the Lord Buddha visited Kelaniya at the invitation of Snake King Maniakkhita on a Vesak day like today.

During that trip, the Lord Buddha who visited the top of Samanala Hill left the Siripa inscription there, and it is special that the Siripa season, which is commemorated, ends on a full moon day of Vesak.
 
It is said that the arrival of Prince Vijaya and the start of the construction of the Ruwanweli shrine by King Dutugemunu happened on the full moon day of Vesak.
 
Ananda Thero, who is considered as the treasurer of Buddha's Dharma, passed away on Vesak Poya day.
(colombotimes.lk)