1919: Covenant of the League of Nations
avalon.law.yale.edu/20th_century/leagcov.asp

1933: Convention on Rights and Duties of States (Montevideo Convention)
avalon.law.yale.edu/20th_century/intam03.asp

1945: Charter of the United Nations (as amended)
www.un.org/en/documents/charter/index.shtml

1945: Statute of the International Court of Justice
www.icj-cij.org

1948: Convention on the Prevention and Punishment of the Crime of Genocide
www2.ohchr.org/english/law/genocide.htm

Universal Declaration of Human Rights
www.un.org/Overview/rights.html

1950: Convention for the Protection of Human Rights and Fundamental Freedoms (as amended by Protocol No. 11)
1952: First Protocol
1963: Fourth Protocol
1983: Sixth Protocol
1984: Seventh Protocol
2000: Twelfth Protocol
2002: Thirteenth Protocol
2004: Fourteenth Protocol
All available on: www.conventions.coe.int

1951: Convention Relating to the Status of Refugees
1967: Protocol Relating to the Status of Refugees
Both available on: www.unhcr.org.uk/

1958: Geneva Convention on the Continental Shelf
www.un.org/law/ilc

1961: Vienna Convention on Diplomatic Relations
www.un.org/law/ilc

1965: International Covenant on the Elimination of All Forms of Racial Discrimination
www2.ohchr.org/english/law/cerd.htm

1966: International Covenant on Economic, Social and Cultural Rights
www2.ohchr.org/english/law/cescr.htm

1966: International Covenant on Civil and Political Rights
www2.ohchr.org/english/law/ccpr.htm

1966: First Optional Protocol to the International Covenant on Civil and Political Rights
www2.ohchr.org/english/law/ccpr-one.htm

1990: Second Optional Protocol to the International Covenant on Civil and Political Rights, Aiming at the Abolition of the Death Penalty
www2.ohchr.org/english/law/ccpr-death.htm

1967: Treaty on Principles Governing the Activities of States in the Exploration and Use of Outer Space, Including the Moon and Other Celestial Bodies
www.unoosa.org/oosa/en/SpaceLaw/outerspt.html

1969: Vienna Convention of the Law of Treaties
www.un.org/law/ilc

1969: American Convention on Human Rights
www.oas.org/juridico/english/treaties/b-32.html