On 11th November 2021 General Santasansa Nantibhakhirund, WVO Director – General presided over the Buddhist ceremony dedicated to the spirits of Siamese soldiers who joined the Siamese Expeditionary Forces on the occasion of Remembrance Day of World War I 2021. WVO also held the exhibition about history of the Siamese Expeditionary Forces as well as holding the lecture to students from Don Mueang Jatura Jinda School at Chart Nakrob Hall, and also broadcast via Zoom Meeting to WVO officials and special enterprises employees.