Rights and freedoms are considered to be the most essential aspects for human survival, existence personality, peace and development among others, without which human beings would obviously be reduced to the level of animals. Historically, the evolution of human rights emerged out from the very concept of natural rights, divine rights or other superior rights. Though the concept of human rights is as old as human civilization, they were found in different form and nature in the ancient time. During the passage of time, the concept of human rights grew up in a gradual manner through different stages of human civilization. The article dwells upon the efforts of the League of Nations and the relentless endeavors of the United Nations, more particularly in the post-1945, and their relative impact on humanity and mankind has, eventually led to adoption of a global regime on human rights as a universally accepted standard norms for all people and for all nations.