Historical - Constitution, Principles & Articles

1) Universal Declaration of Human Rights 1948 https://en.wikipedia.org/wiki/Universal_Declaration_of_Human_Rights

2) Charter of united nations 1945 https://en.wikipedia.org/wiki/United_Nations_Charter

3) Covenant of league of nations 1919 https://en.wikipedia.org/wiki/Covenant_of_the_League_of_Nations

4) Thirukural 2,000 years ago https://en.wikipedia.org/wiki/Tirukkuṛaḷ

5) Constitution of India 1949 https://en.wikipedia.org/wiki/Constitution_of_India

6) Treaties of European Union - https://en.wikipedia.org/wiki/Treaties_of_the_European_Union

7) Magna Carta 1215 - https://en.wikipedia.org/wiki/Magna_Carta

etc