Autumnal Equinox, Northern Hemisphere
Spring (Vernal) Equinox, Southern Hemisphere

Created in Rome on May 13 2002 as a result of the commitments entered into at the 1st World Congress Against the Death Penalty held by "Ensemble contre la peine de mort" in Strasbourg in June 2001, the World Coalition Against the Death Penalty is made up of NGOs, bar associations, local governments and unions.

Freethought Day commemorates the termination of the Salem Witch Trials on October 12, 1692.

A 'Freethought Week' was first proposed by Freedom From Religion Foundation member David Schreiber to commemorate the 300th anniversary of the end of the witch trials in 1992.

See http://www.ffrf.org/

Celebrated each year to mark the day on which the United Nations came into existence on 24 October 1945, when the Charter was ratified by China, France, the Soviet Union, the United Kingdom, the United States and by a majority of other signatories. United Nations Day is celebrated on 24 October each year.

http://www.un.org/events/unday/

In 1996, the UN General Assembly invited Member States to observe the International Day for Tolerance on 16 November, with activities directed towards both educational establishments and the wider public (resolution 51/95 of 12 December). This action came in the wake of the United Nations Year for Tolerance, 1995, proclaimed by the Assembly in 1993 (resolution 48/126).

International Day for the Elimination of Violence Against Women and the Sixteen Days of Activism Global Campaign

Human Rights Day is observed by the international community every year on 10 December. It commemorates the day in 1948 the United Nations General Assembly adopted the Universal Declaration of Human Rights. Its formal inception dates from 1950, after the Assembly passed resolution 423 (V) inviting all States and interested organizations to adopt 10 December of each year as Human Rights Day.

Winter Solstice, Northern Hemisphere
Summer Solstice, Southern Hemisphere

In Western societies, late December is a season of good cheer and a time for gatherings of friends and families. During the winter holiday season, where the word "holiday" has taken on a more secular meaning, many events are observed. This tradition of celebrations, however, is grounded in supernatural religious beliefs that many people in modern society cannot accept.