World Elephant Day
World Elephant Day is held on August 12. Conceived in 2011 by Canadian filmmakers Patricia Sims and Michael Clark of Canazwest Pictures, and Sivaporn Dardarananda, Secretary-General of the Elephant Reintroduction Foundation in Thailand, it was officially founded, supported and launched by Patricia Sims and the Elephant Reintroduction Foundation on August 12, 2012. This event in the second decade of the month august is annual.
Chakri Day in Thailand on April 6 (commemorating the establishment of the Chakri dynasty);
Thai Environment Day on December 4 (Thailand);