2022.12: The 2022 WSSROC annual meeting at National Chiayi University, Chiayi City, Taiwan
2022.08: The weed science symposium with topic “Net zero carbon emissions and zero distance from weeds” at National Chiayi University, Chiayi City, Taiwan
2021.12: The 2021 WSSROC annual meeting at National Pingtung University of Science and Technology, Pingtung County, Taiwan
2020.12：The 2020 WSSROC annual meeting at National Chiayi University, Chiayi City, Taiwan.
2019.12：The 2019 WSSROC annual meeting at National Chung Hsing University, Taichung, Taiwan.
2018.12：The 2018 WSSROC annual meeting at National Taiwan University, Taipei, Taiwan.
2017.12：The 2017 WSSROC annual meeting at National Chung Hsing University, Taichung, Taiwan with three keynote presentations: "Weed management in the era of climate change”, “Crop-insect interaction under climate change”, and “60 years of pesticides in Taiwan”.
2017.12：The future of Urban weed forum will be held at National Chung Hsing University, Taichung, Taiwan
2017.11: Dr. Ching-Yuh Wang at National Chung Hsing University established the "Database of the herbicide resistant weeds in Taiwan."
2017.09：26th Asian-Pacific Weed Science Society Conference will be held at Kyoto, Japan.
2017.09：the WWSROC co-organized with the Plant Protection Society of Republic of China the “2017 Cross-strait conference on Plant Protection”. Weed scientists from mainland China and Taiwan gathered together to share about the research and development on plant protection tools under climate change.
2016.12：The 2016 WSSROC annual meeting at National Pingtung University of Science and Technology, Pingtung County, Taiwan with topic "Weeds in organic farming and crop security management."
2015.12: The 2015 WSSROC annual meeting at National Chiayi University, Chiayi City, Taiwan with topic "Multiple applications of weed."