政治法と条約文化宇宙
- 1776独立4 July 1776 (declared independence from Great Britain); 3 September 1783 (recognized by Great Britain)CIA World Factbook
- 1958初めて打ち上げた宇宙物体Explorer IGCAT
- 1978初のユネスコ世界遺産Mesa Verde National ParkUNESCO World Heritage
- 1988ジェノサイド条約を批准UN Treaty Collection
- 1992自由権規約（ICCPR）を批准（市民的・政治的権利）UN Treaty Collection
- 2023直近の世界遺産登録Hopewell Ceremonial EarthworksUNESCO World Heritage
- 2024直近の立法選挙2024-11-05IPU Parline
- 2026直近の宇宙打ち上げGCAT
