政治法律与条约文化太空
- 1776独立4 July 1776 (declared independence from Great Britain); 3 September 1783 (recognized by Great Britain)CIA World Factbook
- 1958首个发射的空间物体Explorer IGCAT
- 1978首个联合国教科文组织世界遗产Mesa Verde National ParkUNESCO World Heritage
- 1988批准《灭绝种族罪公约》UN Treaty Collection
- 1992批准《公民及政治权利国际公约》UN Treaty Collection
- 2023最近列入的世界遗产Hopewell Ceremonial EarthworksUNESCO World Heritage
- 2024最近一次立法选举2024-11-05IPU Parline
- 2026最近一次太空发射GCAT
