2021
- February
- Signed a business agreement Ewha Womans University
- August
- August Extend CCTV outside the Museum
- August
- New SDM Natural History Studio
2020
- May
- Lee Nam Sook,Inauguration of Director of Seodaemun Museum of Natural History
2019
- December
- 3rd floor space corner exhibition hall remodeling
2018
- May
- Designated as a biodiversity management agency
(By Ministry of Environment) - April
- Established a multipurpose VR video system <Space Travel Center>
- January
- Signed a business agreement with Hanwha Aqua Planet (63)
(Mutual admission discount, educational exchange)
2017
- September
- Museum facility renovation work
- March
- Facility improvement work
(Training room and sample production room, elevator replacement, NAMU hall, central hall)
2016
- December
- Audiovisual room renovation work
- April
- Signed a business agreement with Hanwha Aqua Planet (Ilsan)
(Mutual admission discount, educational exchange)
2015
- December
- Exhibition Hall Remodeling, Expansion Sculpture
2013
- November
- Museum facility improvement construction
2008
- November
- IT Cooperation project with the Ministry of Knowledge Economy - docent robot system development
- June
- Participated in National Biodiversity Information Center survey–Dadohae National Marine Park in Yeosu, South Jeolla Province
- January
- Upgraded from Type 1 specialized museum to Type 1 Comprehensive Museum
2007
- March
- National Biodiversity Information Center Agreement
2006
- November
- Started museum annual membership
- September
- Selected as Continuing Education Cooperation Institution by the Superintendent of Seoul Metropolitan Office of Education
- July
- Achieved “one million visitors” at Seodaemun Museum of Natural History
- May
- Established Korean National Research Information System DB Network
2005
- July
- Participated in 2005 World Museum Culture Expo
- February
- Started renovation construction of exhibitions and facilities
2004
- August
- Selected as Onsite Experience Institute by the Seoul Metropolitan Office of Education
- June
- Registered as Type 1 specialized museum
- January
- Joined International Council of Museums (ICOM)
2003
- July
- Museum opening
1999
- December
- Broke ground on construction
- May
- Formed construction advisory committee
1998
- October
- Acquired land for museum construction
- June
- Architectural design contest and working design
1997
- March
- Designed museum construction plan