Ash Wednesday is the first day of Lent in the Western Christianity. It's observed 46 days before Easter (40 weekdays and 6 Sundays) by Catholics, Methodists, Lutherans, Anglicans and Presbyterians.
World Civil Defense Day was created by the International Civil Defense Organization (ICDO) General Assembly in 1990. It commemorates the day, when the ICDO Constitution came into force as an intergovernmental organization in 1972.
The USA and other countries annually observe Women of Color Day, a special day that was established to create a strong national network of women of African, Indian, Asian, Alaska native, Pacific Island, Latina and Hispanic heritages.
The Joint United Nations Programme on HIV and AIDS (UNAIDS) has created a Zero Discrimination Day. It's a special observance, that promotes everyone's right to live life with full dignity regardless of their look, origin, love and disease. Its symbol is a butterfly, that is widely recognized as a sign of transformation.
Self-injury Awareness Day is an annual global campaign, that is organized on March 1. Some people who are aware of their own self-harm chose to be more open about it and different organizations make efforts to raise public awareness of self-injury and self-harm.