National Civil Service Day in Thailand
National Civil Service Day in Thailand is held on April 1. This event in the first decade of the month april is annual.
Chakri Day in Thailand on April 6 (commemorating the establishment of the Chakri dynasty);
World Elephant Day 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);
Thai Environment Day on December 4 (Thailand)