Special and Events
| 1982. 3.26 | Biwako Floating School Project was resolved in the prefectural assembly． |
| 1983. 2. 8 | Keel-laying ceremony was held． |
| 1983. 7. 5 | Naming and launching ceremony was held． |
| 1983. 8. 2 | Ceremony to celebrate the opening of the school and the start of the ship's operation was held． |
| 1984. 4.16 | Full-scale operation started with children on board for the study navigation |
| 1989. 1.27 | Cumulatively，100,000 children participated in the study navigation． |
| 1991.11.18 | Cumulatively，150,000 children participated in the study navigation． |
| 1994.11. 9 | Cumulatively，200,000 children participated in the study navigation． |
| 1997.11.26 | Cumulatively，250,000 children participated in the study navigation． |
| 2001. 5. 1 | Cumulatively，300,000 children participated in the study navigation． |
| 2004.10.27 | Cumulatively，350,000 children participated in the study navigation． |
