Many Catholic churches in the United States celebrate All Saints' Day to honor all the saints, particularly those who do not have their own special feast day, on November 1.

All Souls’ Day in the United States is dedicated to prayers for the dead. The Day of the Dead is also celebrated on this day. Many western churches annually observe All Souls’ Day on November 2 and many eastern churches celebrate it prior to Lent and the day before Pentecost.

The Marine Corps Birthday is on November 10 and celebrates the establishment of the US Marine Corp in 1775.

November 11 is Origami Day. First observed in Japan, the unofficial holiday honors the ancient Japanese art of creating intricate objects and complex shapes out of square pieces of paper.

In the USA, Veterans Day annually falls on November 11. This day is the anniversary of the signing of the armistice, which ended the World War I hostilities between the Allied nations and Germany in 1918. Veterans are thanked for their services to the United States on Veterans Day.

November 15 is Clean Out Your Refrigerator Day, a day to clear out your fridge of all the suspicious looking, probably living and now procreating foods.

World Toilet Day is celebrated on 19th November every year. It’s all about inspiring action to tackle the global sanitation crisis and help achieve Sustainable Development Goal 6 (SDG 6), which promises sanitation for all by 2030. World Toilet Day 2019 is drawing attention to those people being left behind without sanitation.

World Hello Day on November 21 is an unofficial holiday created to promote world peace through interpersonal communication.