HCM City commemorates 61st anniversary of AO use stockbot 0 71 2022.08.09 20:41 https://vietnamnews.vn/politics-laws/1276408/hcm-city-commemorates-61s… + 14 https://vietnamnews.vn/rss/politics-laws.rss + 5 An event was held by the Association of Victims of Agent Orange/Dioxin of HCM City on Monday to commemorate the 61st anniversary of the chemicals first being used in Việt Nam.