Protocol 1, First Protocol, or Additional Protocol may refer to:
*
Protocol I to the Geneva Conventions
*
Protocol 1 to the
European Convention on Human Rights
The European Convention on Human Rights (ECHR; formally the Convention for the Protection of Human Rights and Fundamental Freedoms) is an international convention to protect human rights and political freedoms in Europe. Drafted in 1950 by ...
* Additional Protocol to the American Convention on Human Rights, more commonly known as the
Protocol of San Salvador
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