THAILAND (UCAN/Agenzia Fides): Almost 350 years have passed since the first Catholic mission in Siam began: to commemorate the forthcoming anniversary of the Apostolic Vicariate of Siam (Mission of Siam: 1669-2019), the Bishops’ Conference of Thailand organised a celebration at Chiang Rai Rajabhat University, in Chiang Rai province, northern Thailand, on July 7.