UDHR (Universal Declaration of Human Rights) was adopted by the UN General Assembly on:

1. The Universal Declaration of Human Rights (UDHR) was adopted by the United Nations General Assembly on 10 December 1948 by Resolution 217 (III) at the Palais de Chaillot, Paris. 2. 48 States voted in favour; 8 abstentions (Soviet bloc, South Africa, Saudi Arabia); no opposing votes. 3. 10 December is celebrated annually as Human Rights Day. 4. The UDHR is not a binding treaty per se but is widely regarded as expressing customary international law (and many of its provisions are binding via subsequent treaties). 5. Hence option B is correct. _Source: UN Charter 1945 / Vienna Convention on Law of Treaties 1969 / Geneva Conventions 1949 / ICJ Statute / UDHR ICCPR ICESCR — GA Resolution 217(III), 10 December 1948_