PoliticalLegal & treatiesCulturalSpace
- 1918Independence11 November 1918 (republic proclaimed); notable earlier dates: 14 April 966 (adoption of Christianity, traditional founding date), 1 July 1569 (Polish-Lithuanian Commonwealth created)CIA World Factbook
- 1950Ratified the Genocide ConventionUN Treaty Collection
- 1977Ratified the ICCPR (civil & political rights)UN Treaty Collection
- 1978First UNESCO World Heritage siteHistoric Centre of KrakówUNESCO World Heritage
- 1980Ratified CEDAW (women’s rights)UN Treaty Collection
- 1991Ratified the Convention on the Rights of the ChildUN Treaty Collection
- 2001Joined the ICC (Rome Statute)UN Treaty Collection
- 2012First space object launchedPW-Sat 1GCAT
- 2016Ratified the Paris Climate AgreementUN Treaty Collection
- 2019Most recent World Heritage inscriptionKrzemionki Prehistoric Striped Flint Mining RegionUNESCO World Heritage
- 2023Most recent legislative election2023-10-15IPU Parline
- 2026Most recent space launchGCAT