Universal Children Day is celebrated on 20 November every year with the purpose of promoting International togetherness and awareness among children . This day is observed to promote the objectives outlined in the Charter and for the welfare of children. On November 20, 1959 the United Nations adopted the Declaration of the Rights of the Child. The United Nations also adopted the Convention on the Rights of the Child on November 20, 1989.
Here you have some resources in English for your students: