History
| July 2001 | Formulation of basic construction plan |
|---|---|
| October 2001 | Selection of Nihon Sekkei, Inc. and Kengo Kuma for building design |
| October 2002 | Completion of building design |
| March 2003 | Commencement of construction work |
| December 2003 | Enactment of Nagasaki Prefectural Art Museum ordinance |
| April 2004 | Appointment of Nagasaki Museum Foundation designated operator |
| September 2004 | Completion of building construction |
| April 23, 2005 | Opening of the Museum |