Pi Day is an annual celebration of the mathematical constant π. Pi Day is observed on March 14 (3/14 in the month/day format) since 3, 1, and 4 are the first three significant digits of π. In 2009, the United States House of Representatives supported the designation of Pi Day.

National Pi Day

Purim, is a Jewish holiday that commemorates the saving of the Jewish people from Haman, an Achaemenid Persian Empire official who was planning to kill all the Jews, as recounted in the Book of Esther.

Purim

First Day of Women's History Month

Self-Injury Awareness Day (SIAD) is a global event held annually on March 1. Its purpose is to remove the stigma attached to self-injury and to encourage parents, family members, educators, and healthcare professionals to recognize the signs of self-harm.

Self-Injury Awareness Day

The March 1st Movement, was one of the earliest public displays of Korean resistance during the rule of Korea by Japan from 1910 to 1945. The name refers to an event that occurred on March 1, 1919, hence the movement's name, literally meaning "Three-One Movement" or "March First Movement" in Korean.

Independence Movement Day

People in Wales and Welsh communities around the world celebrate the life of their patron saint, St David, and the culture of their country on St David’s Day. 

St. David's Day (Wales)

Dr. Seuss Day is a holiday that celebrates the birthday of Theodor Seuss Geisel – otherwise known by the pen name by which he authored children’s books: Dr. Seuss.

Dr Seuss Day

Every 2 March is Peasants’ Day in Myanmar. This holiday is meant to give recognition to the 70 percent of Myanmar’s population who are farmer-peasants and who are the backbone of economy.

Peasants’ Day

In Bulgarian historiography, the liberation of Bulgaria refers to those events of the Russo-Turkish War (1877–1878) that led to the re-establishment of the Bulgarian state under the Treaty of San Stefano of 3 March 1878.

Liberation Day - Bulgaria

On 20 December 2013, the United Nations General Assembly decided to proclaim 3 March, the day of the adoption of the Convention on International Trade in Endangered Species of Wild Fauna and Flora, as World Wildlife Day to celebrate and raise awareness of the world's wild flora & fauna.

World Wildlife Day

On the first Tuesday in March, King Island holds the annual Agricultural, Horticultural and Pastoral Society Show at the Currie Showground on King Island’s west coast.

King Island Show - Australia

Independence Day is an official state holiday celebrated by the Ghanaian people and the Ghanaian diaspora, which is celebrated on March 6. Independence Day marks the declaration of independence from the United Kingdom by Prime Minister Kwame Nkrumah on 6 March 1957.

Independence Day - Ghana

International Women's Day (IWD) is celebrated on March 8 every year. It is a focal point in the movement for women's rights. German revolutionary Clara Zetkin proposed at the 1910 International Socialist Woman's Conference that 8 March be honored as a day annually in memory of working women.

International Women's Day

Held every year on the second Thursday in March, World Kidney Day is an awareness day that brings global attention to the importance of kidney health. The day aims to highlight the risk factors that can lead to Chronic Kidney Disease (CKD).

World Kidney Day

Although Commonwealth Day is not observed as a public holiday in Australia and many other places, several regional public holidays coincide with this day: Canberra Day in the Australian Capital Territory, Labour Day in Victoria, Adelaide Cup Day in South Australia, and Eight-hour Day in Tasmania.

Commonwealth Day - Australia

Daylight Saving Time is the practice of moving the clock forward by one hour at the beginning of spring and moving it back one hour in fall. The aim is to make use of daylight longer into the evening by starting daylight an hour later in the morning.

Daylight Savings Eve

This day gives us the opportunity to celebrate every person, place, thing, or idea in the world that is awesome. As the official tag line points out, “No one’s perfect, but everyone can be awesome.”

Day of Awesomeness

National Napping Day is observed annually the day following the return of daylight saving time.  National Napping Day provides everyone with the opportunity to have a nap and catch up on the hour of sleep they lost due to the spring forward time change.

National Napping Day

Lithuania‘s tumultuous history, combined with its sense of deep national pride, has led it to become the independent country that it is today. Two days of independence are celebrated: the Restoration of the State Day on February 16th and the Restoration of Independence Day on March 11.

Independence Day - Lithuania

Labour Day - Victoria

Taranaki Anniversary Day commemorates the first settlement, at New Plymouth, in Taranaki Region in 1841. The area was renamed Taranaki Province in 1859.

Taranaki Anniversary Day

Arbor Day originated in Nebraska, United States, in 1872 as a day observed for planting of trees. This day derives its name from the word "Arbor" which means "Tree". It was in 1927 that the Republic of China began celebrating this day as a holiday on March 12 every year.

Arbor Day - China

National Day in Mauritius is a public holiday that is celebrated annually on 12th March. This holiday is the national day of Mauritius and it marks two key events in the recent history of the country that both took place on 12 March; independence from Britain in 1968 and becoming a republic in 1992.

Independence & Republic Day - Mauritius

Canberra Day is a public holiday held annually on the second Monday in March in the Australian Capital Territory (ACT) to celebrate the official naming of Canberra. Canberra was named at a ceremony on 12 March 1913 by Lady Denman, the wife of the then Governor-General Lord Denman.

Canberra Day - Australia

National Children’s Craft Day is observed annually on March 14th. This day is an attempt to bring awareness of crafting to children. By opening children’s eyes to the world of crafts, their imagination is sparked, and from there, the possibilities are endless.

National Children's Craft Day

The consumer movement marks 15th March with World Consumer Rights Day every year, as a means of raising global awareness about consumer rights and needs.

World Consumer Rights Day

St Patrick's Day marks the life and deeds of St Patrick, one of Ireland's patron saints. It is an Irish-American celebration in the USA.

St. Patrick's Day

Saint Patrick's Day, or the Feast of Saint Patrick is a cultural and religious celebration held on 17 March, the traditional death date of Saint Patrick (c. AD 385–461), the foremost patron saint of Ireland.

Saint Patrick's Day

St Patrick's Day remembers the life and deeds of St Patrick, one of Ireland's patron saints. It also celebrates Irish culture.

St Patrick's Day (Northern Ireland)

'St Patrick's Day' day off (Northern Ireland)

The First Day of Spring, also known as The Spring Equinox.

Spring Equinox

The International Day of Happiness is celebrated worldwide every 20 March, and was conceptualized and founded by philanthropist, activist, statesman, and prominent United Nations special advisor Jayme Illien to inspire, mobilize, and advance the global happiness movement.

International Day of Happiness

Vernal Equinox Day is a public holiday in Japan that occurs on the date of the Northward equinox in Japan Standard Time, usually March 20 or 21. The date of the holiday is not officially declared until February of the previous year, due to the need for recent astronomical measurement.

Vernal Equinox Day - Japan

An international colour day (ICD) has been considered as appropriate since colour is, thanks to visual perception, one of the most influential phenomena in people’s lives and also one of the channels that contributes most greatly to the perception of reality.

International Colour Day

Harmony Day is a national observance that celebrates Australia’s cultural, linguistic and religious diversity on March 21 every year.

Harmony Day

World Poetry Day is celebrated on 21 March, and was declared by UNESCO  in 1999. Its purpose is to promote the reading, writing, publishing and teaching of poetry throughout the world.

World Poetry Day

The International Day of Forests was established on the 21st day of March, by resolution of the United Nations General Assembly on November 28, 2012. Each year, various events celebrate and raise awareness of the importance of all types of forests and trees outside forests.

International Day of Forests

World Water Day is an annual UN observance day that highlights the importance of freshwater. The day is used to advocate for the sustainable management of freshwater resources. World Water Day is celebrated around the world with a variety of events.

World Water Day

Puppy Day celebrates that most adorable of our four-footed friends, the baby canine, and it’s quite possibly the cutest day ever. It doesn’t matter the breed or gender, all puppies are the perfect solution to a terrible day.

National Puppy Day

Palm Sunday is a Christian feast that commemorates Jesus Christ’s entry into Jerusalem. It is also the start of Holy Week.

Palm Sunday

The Celebration of the Greek Revolution of 1821, also known as Independence Day is a national holiday in Greece, Cyprus as well as in the Greek diaspora commemorating the start of the Greek War of Independence against the Ottoman Empire, and the formation of an independent Greek state.

Independence Day - Greece

Otago Anniversary Day is a public holiday each year on the Monday nearest to 23 March. National law provides for the celebration of regional founding day holidays throughout the country, though the details and ways of determining exact dates vary from place to place.

Otago Anniversary Day - New Zealand

This day is a celebration for those who can see the value and importance of the art form “theatre”, and acts as a wake-up-call for governments, politicians and institutions which have not yet recognised its value to the people in society and its potential for economic growth.

World Theater Day

Armed Forces Day is an annual event celebrated in late June to commemorate the service of men and women in the British Armed Forces. Veterans' Day was first observed in 2006. The name was changed to Armed Forces Day in 2009. Armed Forces Day has so far been observed on the last Saturday of June.

Armed Forces Day - Myanmar

Maundy Thursday is the Christian holy day falling on the Thursday before Easter. It commemorates the Washing of the Feet and Last Supper of Jesus Christ with the Apostles, as described in the canonical gospels.

Maundy Thursday

Passover or Pesach is a major Jewish holiday and one of the most widely celebrated Jewish holidays. Together with Shavuot and Sukkot, Passover was one of the Three Pilgrimage Festivals during which the entire population of the kingdom of Judah made a pilgrimage to the Temple in Jerusalem.

Passover - First Day - Jewish

National Take A Walk In The Park Day is observed annually on March 30th.  After a long busy day, a calming and therapeutic way to relax would be a nice, leisurely walk in the park.

National Take A Walk In The Park Day

Passover starts on the 15th day of Nisan in the Hebrew calendar and lasts for 7 or 8 days, usually in April. It celebrates the liberation of the Israelites from slavery on Egypt.

Passover begin at sundown

Good Friday is a Christian holiday commemorating the crucifixion of Jesus and his death at Calvary. It is observed during Holy Week as part of the Paschal Triduum on the Friday preceding Easter Sunday, and may coincide with the Jewish observance of Passover.

Good Friday

Holy Saturday, the Saturday of Holy Week, also known as Holy and Great Saturday, the Great Sabbath, Black Saturday, Joyous Saturday, Hallelujah Saturday or Easter Eve, and called "Joyous Saturday" or "the Saturday of Light" among Coptic Christians, is the day after Good Friday.

Holy Saturday

The Passover Seder is a Jewish ritual feast that marks the beginning of the Jewish holiday of Passover. It is conducted throughout the world on the evening of the 14th day of Nisan in the Hebrew calendar.

Passover - Second Day - Jewish

Earth Hour is an annual environmental campaign that brings attention to the effects of climate change by asking people to switch off lights at homes and businesses for an hour at 8.30 pm (20:30), local time, usually on the last Saturday of March.