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• 2021
  • 11The 5th General Assembly and the 11th Regular Board of Directors Meeting
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  • 11The 8th World Toilet Leaders Forum(On-line)
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  • 07Site Inspection for 2021 Public Toilet Construction Support Project(Zambia)
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  • 02Completion of public toilets in developing countries (Suwon Public toilet. Balanga Wetland, Bataan, Philippines)
• 2020
  • 12Completion of public toilet in developing countries (Suwon men's toilet in Cooperative University, Thanlyin, Myanmar)
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  • 11The 7th World Toilet Leaders Forum
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  • 112020 WTA Board Member Video Conference Call
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  • 11Completion of public toilet in developing countries (Suwon Public toilet inKuang Si Waterfall, Luang Prabang, Laos)
• 2019
  • 12Inauguration Ceremony of "Suwon Public Toilet" at Wat Si Saket, Vientiane, Laos.
    Inauguration Ceremony of "Korean Red Cross Public Toilet" at Kalshi Bus&Truck Stand, Mirpur, Dhaka North City, Bangladesh)
    Inauguration Ceremony of "Suwon Public Toilet" at Shwemawdaw Pagoda, Bago, Myanmar)
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  • 10Inauguration Ceremony of Public Toilet In front of gate of Genghis Khan Statue Complex Mongolian.
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  • 07UN Economic and Social Council Consultative Status
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  • 06The 6th World Toilet Leaders Forum
    The 6th International Toilet Culture Conference
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  • 04Inauguration Ceremony of Independence Beach Public Toilet, Sihanoukville, Cambodia
• 2018
  • 12Inauguration Ceremony of Wat Siengthong Public Toilet, Luang Prabang, Laos
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  • 112018 Extraordinary General Assembly & The 10th BOD Meeting(Cape Town, South Africa)
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  • 08Completed Bangladesh Public Toilet Support Pilot Project(Sattola Slum Area, Lalmati Bazar, Mohakhali, DNCC)
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  • 07The 5th World Toilet Leaders Forum
    Completion ceremony for public toilet in disaster area (Yalova City Ferry Terminal Park, Turkey)
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  • 05Application to the UN ECOSOCl for consultative status.
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  • 04Inauguration Ceremony of Riverside Park West Bank Battambang Public Toilet, Battambang, Cambodia(2017 Project)
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  • 03Inauguration Ceremony of Basco Public Toilet, BBatanes Provincial. Philippines(2017 Project)
• 2017
  • 12Inauguration Ceremony of That Luang Public Toilet, Vientiane Laos
    Inauguration Ceremony of Old Market Public Toilet, Siem Reap Cambodia(2016 Project)
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  • 11The 10th anniversary of the International Toilet Culture Conference and the 4th regular general meeting and the 9th regular board meeting
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  • 11Elected the 4th President Mr. Tae-yeong Yeom and 4th Board Members(2018.02.26 - 2022.02.25)
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  • 04Inauguration Ceremony of Mirpur Public Toilet, North Dhaka City Bangladesh
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  • 02Registered Non-Profit/Non-governmentail Organization(Gyeonggi-do)
• 2016
  • 06The 8th Board of Directors Meeting (Siem Reap, Cambodia)
     The 3rd General Assembly (Siem Reap, Cambodia)
    Adoption of Angkor Declaration
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  • 05Inauguration Ceremony of Hanoi Hoa Binh Park Public Toilet, Hanoi, Vietnam (2015 Project)
    Inauguration Ceremony of Battambang Public Toilet, Battambang, Cambodia(2016 Project)
    Internatioanl Conference on Implication on Tourism; Sanitation Practice for Human Well-being, Envrionmental Health and Public Toilet (Siem Reap, Cambodia)
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  • 04Inauguration Ceremony of SIRC, Kavere, Nepal (Toilet Support at Disaster Area) 
    Site Inspection for 2016 Public Toilet Construction Support Project (Battambang, Cambodia / Dhaka, Bangladesh / Jorpati, Nepal)
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  • 01Starting to Advertise for Donors
• 2015
  • 122015 The 4nd World Toilet Curture Youth Forum(ROK, Suwon)
    The 3nd World Toilet Leaders Forum(ROK, Suwon)
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  • 11Opening Ceremony of 'Female-only Public Toilet' Dongduk Campus, Laos National University
    Opening Ceremony of 'Near Angkor Wat Public Toilet' in Siem Reap, Cambodia
    The 7th Board of Directors Meeting(Cambodia/Siem Reap)
    2015 The 3nd World Toilet Curture Youth Forum(ROK, Suwon)
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  • 092015 The 2nd World Toilet Curture Youth Forum(ROK, Suwon)
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  • 04The 2nd World Toilet Leaders Forum(ROK, Suwon)
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  • 032015 The 1st World Toilet Culture Youth Forum(ROK, Suwon)
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  • 01Opened Secretariat Office (ROK, Suwon Haewoojae Culture Center)
• 2014
  • 12Opening Ceremony of 'Suwon Public Toilet' in Vang Vieng, Lao P.D.R
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  • 10The 1st World Toilet Leaders Forum(ROK, Suwon)
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  • 06Site Inspection for 2014 Toilet Construction Support Project (Lao P.D.R., Cambodia)
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  • 05Selection Support Target for 2014 Toilet Construction Support Project (Vang Vieng, Lao P.D.R. / Seam Reap, Cambodia)
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  • 02The 2nd World Toilet Association General Assembly / The 3rd President Mr. Tae-young YEOM Inauguration
• 2010
  • 12Completion of 2010 Toilet Construction Support Project (Honduras, Paraguay, Ghana, Kenya)
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  • 06Completion of 2010 Toilet Construction Support Project (Nepal, Vietnam)
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  • 052010 WTA-KOICA International Training Program (ROK)
    Site Inspection for 2010 Toilet Construction Support Project-Joint Project with KOICA (Kenya, Nairobi)
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  • 04The 4th Official Board Meeting (Russia, Moscow)
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  • 02Selected by KOICA 2010 International Training Program and Overseas Support Business
• 2009
  • 12Site Inspection for 2009 Toilet Construction Support Project(Nepal, Vietnam)
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  • 11Selection Support Target for 2009 Toilet Construction Support Project (Nepal, Vietnam)
    World Toilet Association Provisional General Assembly / The 2nd Official Board Meeting (China, Beijing)
    ‘2008 Completion of 2010 Toilet Construction Support Project (9 Countries total 12 Toilets)
    Registered as NGO at KOICA
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  • 08The 2nd President Yong-yi Cho Inauguration
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  • 02Visited Chinese People's Association for Friendship with Foreign Countries
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  • 01Relocated Secretariat Office(ROK, Suwon
    Mr. Toilet Sim, Jae-duck, The 1st President Decease
• 2008
  • 112008 World Toilet Day Ceremony(ROK, Seoul)
    Appointment of the 1st WTA Ambassador “Health Boy; Seong-yoon Lee, Sang-min Lee, Sang-ho Lee” from KBS Gag Concert
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  • 08Site Inspection for 2008 Toilet Construction Support Project (Asia, Africa)
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  • 06The 1st Official Board Meeting (15 Countries)
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  • 05Visited Chinese People's Association for Friendship with Foreign Countries (Discuss the host city of next general assembly in 2009)
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  • 04Attended The 1st Asia-Pacific Mayor's Forum on Environmentally Sustainable Urban Infrastructure Development Hosted by UNESCAP (ROK, Ulsan)
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  • 03Attended as a Panel at 'World Water Day 2008' International Year of Sanitation Hosted by UNESCAP (Thailand/Bangkok)
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  • 02Establishment World Toilet Association Secretariat (ROK, Seoul)
• 2007
  • 12Visited Chinese People's Association for Friendship with Foreign Countries (Discuss the host city of next general assembly in 2009)
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  • 11Attended EASAN2007 and The 1st APWS (Japan, Betbu)
    WTAA and International Bath & Toilet Expo (ROK, Seoul)
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  • 09WTAA Organizing Committee Meeting(6 Countries)
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  • 08WTAA Chairman Mr. Sim, Jae-duck's Special Address "Korean Toilet Revolution" at The National Association of Toilet Expo and Forum of Malasia
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  • 05The 1st Prepartory Meeting for the Inaugural General Assembly
• 2006
  • 11Compose the Inaugural Assembly Organizing Committee and elect the Chairman of the committee (Mr. Sim, Jae-duck
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  • 09Mr. Sim, Jae-duck announced plans to hold the WTAA at the World Toilet Summit held in Moscow
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  • 06Approval WTAA Hosting in Korea from Prime Minister's Office