Constitution Memorial Day 憲法記念日 2020 (observed)
![](https://groups.oist.jp/sites/default/files/styles/group_image/public/eventimg/2001/oist-logo_big-shisa_little-oist_14.png?itok=EpRRr_IR)
Date
Wednesday, May 6, 2020 - 00:00
Description
National holiday
All-OIST Category:
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