Which US convention has most signatories at its opening day?

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Which US convention has most signatories at its opening day? Answer: UN convention on persons with disabilities

The United Nations Convention on the Rights of Persons with Disabilities (CRPD) had the most signatories on its opening day, with 82 countries signing on March 30, 2007. The CRPD was adopted on December 13, 2006, at UN Headquarters in New York and is the first comprehensive human rights treaty of the 21st century, according to the Pacific Disability Forum and Inclusion Canada.

Question context

This question is part of 📚 General Knowledge within the broader 🌐 Current Affairs & GK subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.