政治法と条約文化宇宙
- 1947独立3 May 1947 (current constitution adopted as amendment to Meiji Constitution); notable earlier dates: 11 February 660 B.C. (mythological date of Emperor JIMMU founding the nation); 29 November 1890 (Meiji Constitution provides for constitutional monarchy)CIA World Factbook
- 1970初めて打ち上げた宇宙物体OhsumiGCAT
- 1979自由権規約（ICCPR）を批准（市民的・政治的権利）UN Treaty Collection
- 1985女子差別撤廃条約（CEDAW）を批准（女性の権利）UN Treaty Collection
- 1993初のユネスコ世界遺産Buddhist Monuments in the Horyu-ji AreaUNESCO World Heritage
- 1994児童の権利に関する条約を批准UN Treaty Collection
- 2007国際刑事裁判所（ローマ規程）に加盟UN Treaty Collection
- 2016パリ協定を批准UN Treaty Collection
- 2024直近の世界遺産登録Sado Island Gold MinesUNESCO World Heritage
- 2026直近の立法選挙2026-02-08IPU Parline
- 2026直近の宇宙打ち上げGCAT
