Question: Poland is a party to all important international agreements relevant to human rights including one adopted on what date?
Sentence (from "Human rights in Poland"): Poland is a party to all important international agreements relevant to human rights, including the Convention for the Protection of Human Rights and Fundamental Freedoms, the Universal Declaration of Human Rights, the Helsinki Accords, the International Covenant on Civil and Political Rights, the International Covenant on Economic, Social and Cultural Rights and the Convention on the Rights of the Child.
Relevant evidence: Yes