- July 14, 2001: Construction of the Japanese Overseas Migration Museum begins
- August 30, 2002: Construction of the museum is completed
- October 4, 2002:The museum opens
- May 28, 2003:The museum joins the Kanagawa Prefectural Museum Association
- October 4, 2003:Special lecture (“Japanese People and the New World”) held to commemorate the museum’s first anniversary Lecturer: Tadao Umesao, Advisor and Professor Emeritus, National Museum of Ethnology
- April 8, 2004:The Emperor and Empress of Japan visit the museum
- September 25, 2006:Prince Fumihito visits the museum
- December 4, 2009:The Empress of Japan visits the museum
- November 1, 2012:“Symposium Commemorating the 10th Anniversary of the Japanese Overseas Migration Museum, JICA Yokohama” held
- March 5, 2013:The museum welcomes its 300,000th visitor
- April 1, 2013:Museum designated by the Japanese government as a storage facility for historical materials
- June 18, 2015:Prince Fumihito and Princess Kiko visit the museum
- September 11, 2015:The museum welcomes its 400,000th visitor
- May 21, 2018:Princess Mako visits the museum
- April 22, 2019:Princess Mako visits the museum
- August 25, 2017:The museum welcomes its 500,000th visitor
- December 6, 2019:The museum welcomes its 600,000th visitor
- April 26, 2022:Partial renovation of the museum’s permanent exhibition
- January 10, 2023:Crown Prince Akishino and Crown Princess Akishino and Prince Hisahito visit the museum
- February 6, 2023:The Emperor Emeritus and Empress Emerita of Japan visit the museum
- September 4,2023:Princess Kako visits the museum
- September 14,2023:The museum welcomes its 700,000th visitor
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