Posted in Agnosticism, Atheism, Blasphemy, Everyday life, Family, Human Rights, Humor, Morality, Politics, Religion, Science, The Conscious Disbeliever Humanists around the world celebrate World Humanist Day, 21 June 2013 | International Humanist and Ethical Union Posted on June 20, 2013 by sixpointnineme Humanists around the world celebrate World Humanist Day, 21 June 2013 | International Humanist and Ethical Union.