Days intended to raise awareness of health, social or environmental issues.
Awareness Days mostly observed in United States.
This list contains only actual holidays. See Good to Know calendar for other noteworthy events.
European holidays declared by the European Commission.
Noteworthy events which are not actual holidays. Good addition to the Holidays calendar.
Holidays related to food, drinks and cooking.
A long list of unofficial, funny holidays.
Holidays, awareness days and funny observances related to pets and other animals.
Various doomsday predictions. If the prediction is unspecific, the date is set on the last possible day of the prediction.
Week numbering according to European, American or Middle Eastern standard.
Christian liturgical year.
Holidays according to Coptic Christians.
Holydays according to Discordianism.
Islamic holidays according to the Shia denomination.
Islamic holidays according to the Sunni denomination.
Jewish holidays for people living outside of Israel (Diaspora).
Jewish holidays for people living in Israel.
Pagan holidays and festivals.
Holidays accoring to Pastafarianism.
Compresses the history of the universe into a single year.
Independence days for all countries. Some countries have more than one independence/national day.
International awareness days set by the United Nations.