Wan Chakkri or Chakri Dynasty Memorial Day is celebrated on the 6th of April each year. It is the commemoration of the foundation of the Chakri Dynasty and the establishment of Bangkok by King Phutthayotfa Chulalok in 1782. Wan Chakkri is officially known as King Phutthayotfa Chulalok the Great Day and Chakri Dynasty Memorial Day.
King Phutthayotfa Chulalok is also known as Rama I. King Rama I was born on 20 March 1737. He passed away on 7 September 1809 at the age of 72 after a short but severe illness.
King Rama I was the founder and the first monarch of the reigning House of Chakri of Siam (now called Thailand) in 1782 following the end of King Taksin’s reign, when the capital of Siam shifted to Bangkok. The Royal house was founded by King Rama I. The Chakri Dynasty is the current ruling Royal house of the Kingdom of Thailand
Chakri Dynasty Memorial Day is a public holiday, but alcohol sales is not prohibited.