Smart Celebrations and Events in March
Smart events, Scientific traditions and Special days, professional and national Smart holidays in different countries of the world, significant events by month 
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Help us National traditions, Public holidays and Notable observances for 2025-2026 year
March 2025
Saturday 22 March - World Maths Day (date for 2025)
April 2025
Tuesday 15 April - International Biomedical Laboratory Science Day (is celebrated annually on 15 April to promote and acknowledge the role of biomedical laboratory professionals in diagnostic and preventative healthcare organisations)
Tuesday 22 April - Chemists Celebrate Earth Day in USA (In 2003, the American Chemical Society joined in on April 22's festivities. Each year, ACS highlights one of four general topics and chooses a theme—this year it's "Our Earth: Handle With Care"—to focus the celebration and highlight how chemists can contribute to a greener world)
Thursday 24 April - International Girls in ICT Day (aims to encourage and empower girls and young women to consider studies and car eers in the growing field of Information and communications technology)
Sunday 27 April - National Dark Sky Week in USA (The darkest holiday of them all was founded in 2003, and every April the week of the new moon marks a time to shed some light on our big expanse of sky)
Monday 28 April - Bacteriologist's Day in Colombia (Día del Bacteriólogo)
May 2025
Wednesday 7 May - Physicist Day (since 1959)
Friday 16 May - International Day of Light (initiated by UNESCO on November 14, 2017); Scratch Day (date for 2022); National Microbiologist and Clinical Chemist Day in Costa Rica
June 2025
Monday 2 June - Graduate Day in Economic Sciences, Argentina (Día del graduado en Ciencias Económicas)
Monday 9 June - Argentina Geologists Day (Día del Geólogo)
July 2025
Sunday 13 July - Embrace Your Geekness Day (1990)
Thursday 17 July - Yellow Pig Day (is a monthly collaborative art project celebrating the United States' wide array of bizarre national holidays)
August 2025
September 2025
Saturday 13 September - Day of the Workers in the Oil, Gas, Power, and Geological Industry in Turkmenistan (celebrated on the second Saturday in September)
Saturday 27 September - Astronomy Day (autumn)
October 2025
Friday 3 October - Techie's Day; World Multiplication Table Day (Held on the first Friday in October); World Smile Day
Thursday 9 October - National Nanotechnology Day (United States)
Wednesday 15 October - Ada Lovelace Day (was created to celebrate one of the first computer programmers)
Friday 17 October - Edge Day (International observance, Straight Edge Movement)
Wednesday 22 October - Fechner Day (International observance)
Friday 24 October - Global Media and Information Literacy Week; Astronomy Day in Argentina; Libraries Day in Spain; World Development Information Day
November 2025
Friday 7 November - National Medical Science Liaison Awareness and Appreciation Day in USA; International Medical Physics Day
December 2025
Wednesday 3 December - Doctor and Medicine Day in Latin America (Día del médico y la Médica)
Saturday 6 December - Day of the Ministry of Communications and Information Technologies of Azerbaijan; Microwave Oven Day
January 2026
Thursday 1 January - Z Day (People whose first or last name start with the letter Z must have it pretty rough. Most processes, systems and organizations use alphabetical sorting as standard, meaning they are always last no matter the place or occasion); Ohio Braille Literacy Week
Thursday 8 January - Earth's Rotation Day (In 1851, the French physicist Léon Foucault demonstrated how the earth rotates by suspending a lead-filled brass ball from the top of the Panthéon in Paris)
Monday 26 January - International Community Manager Day (Held on the fourth Monday of January)
February 2026
Sunday 1 February - World Read Aloud Day (is a day devoted to the power of literacy and the transformational joy that comes from sharing stories aloud within a family, a classroom, and a community. Founded by the nonprofit LitWorld and sponsored by Scholastic)
Thursday 12 February - Darwin Day (International observance)
List of commemorative months in March in Ohio
Colorectal cancer screening saves lives. If you’re 50 years old or older, talk to your doctor about getting screened.
Among cancers that affect..→
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Ohio Statehood Day
The state of Ohio was named after the river "Ohio". The Ohio river was named for the Iroquois word, “O-Y-O,” meaning “great river.” Th..→
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Women’s History Month
Women’s History Month is an annual declared month that highlights the contributions of women to events in history and contemporary society. It i..→
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Zero Discrimination Day
In a four-year study of religious discrimination around the world (2006-2010), Christians were the most-discriminated against group, experiencin..→
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International Children’s Day of Broadcasting
In 1898 Guglielmo Marconi, a 24-year-old Italian, began the world’s first commercial radio service. For citizens of the United States, radio—and..→
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Texas Independence Day
Texas is popularly known as The Lone Star State. The lightning whelk is the official state shell.
In 1836, delegates from throughout what was t..→
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Casimir Pulaski Day in Illinois
“I came to hazard all for the freedom of America.” - General Casimir Pulaski (March 6, 1745 – October 11, 1779).
He grew up in the struggle of..→
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Guam History and Chamorro Heritage Day
The Chamorros, Guam’s indigenous people, settled the island approximately 4,000 years ago. Portuguese explorer Ferdinand Magellan was the first ..→
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World Wildlife Day
Bats are the only mammals that can fly. Bats always turn left when exiting a cave. On average, there are 50,000 spiders per acre in green areas...→
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Casimir Pulaski Day in Wisconsin
Casimir Pulaski was born in Poland in 1747. He came to America in 1777, after fighting for Poland’s independence, and joined forces with General..→
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Mardi Gras or Shrove Tuesday
Pope Gregory XIII add the event to the Gregorian calendar in 1582 on the day before Ash Wednesday, which Lent, the 40 days of fasting and prayer..→
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Town Meeting Day in Vermont
In the late 1700s, as today, town citizens in Vermont held town meetings so that they could address the problems and issues they faced collectiv..→
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Death of Crispus Attucks in California (Black American Day)
The slave trade was a tragic episode in African history and began before August 1619 when the first slaves arrived in Jamestown, Virginia. Durin..→
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National Dentist Day
Teeth start to form even before you are born—milk teeth or baby teeth start to form when the baby is in the womb, but they come through when the..→
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Birthday of Luther Burbank in California (Arbor Day)
Luther Burbank developed more than 800 strains and varieties of plants including fruits, flowers, grains, grasses, and vegetables. Among his cre..→
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Employee Appreciation Day
The total population of the world today is about 7.7 billion people. A little over 3.26 billion people are employed. Almost half of all people a..→
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International Women’s Day
Women blink about 2 times more often than men. Interesting why? An average woman eats about 2-3 kilos of lipstick in her lifetime. Women usually..→
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Meningitis Awareness Day in Ohio; Tess’s Law
Bacterial meningitis, the most serious form, can cause inflammation of the lining of the brain and spinal cord, a blood infection, or both. The ..→
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Harriet Tubman Day
In 2016, the U.S. Treasury Department announced that the countenance of Harriet Tubman will appear on a new $20 bill.
Harriet Tubman was born A..→
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Ohio Agriculture Week
Spread over 14 million acres, Ohio’s more than 75,000 farms range from small hobby farms to large, family-run operations. All of them are equall..→
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Girl Scout Birthday
Founded March 12, 1912, in Savannah, Ga., the Girl Scouts remain a beloved organization that promotes friendship, innovation and empowerment amo..→
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Massachusetts Evacuation Day
A Proclamation (abbreviating).
The opening phase of the American Revolutionary War, known as the Siege of Boston, began on April 19, 1775 with ..→
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National Poison Prevention Week
As the leading cause of accidental injury death in the United States, poisonings can harm people of all ages and from all walks of life. More th..→
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Saint Patrick’s Day
Saint Patrick’s Day fixed on March 17, is the religious and festive holiday, commemorating one of Ireland’s patron saints, Saint Patrick, and th..→
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«The Great Hunger» in Ireland in Wisconsin
The Irish Famine of 1845 to 1852 was the greatest social calamity, in terms of morality and suffering, that Ireland has ever experienced. Becaus..→
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St. Joseph’s Day
Matthew 1:18-21: "Now the birth of Jesus Christ was on this wise: When as his mother Mary was espoused to Joseph, before they came together..→
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Great American Meatout
Since 1985 Meatout has become the world’s largest annual grassroots diet education campaign, activists around the world have celebrated March 20..→
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International Day of Happiness
Even if you are one of those lucky folks that are born happy it’s not something you can choose to ignore. Happiness needs to be nurtured, fed an..→
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World Oral Health Day
Many diseases are linked to your oral health, including heart disease, osteoporosis, and diabetes. 75% of the U.S. population suffers from some ..→
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International Cherry Blossom Festival (Macon, Georgia)
As with all things Mother Nature, she is difficult to predict. Yoshino Cherry Trees are not native to the South. William A. Fickling, Sr., a loc..→
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International Day for the Elimination of Racial Discrimination
Reports show that nearly 50% of Americans under 18 are minorities. The trend projects a reversal in the population where by 2030, the majority o..→
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International Day of Forests
Did you know? A single tree can absorb 10 pounds of air pollutants per year. The average healthy, mature tree produces roughly 260 pounds of oxy..→
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International Day of Nowruz
Celebrating Nowruz means the affirmation of life in harmony with nature, awareness of the inseparable link between constructive labour and natur..→
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School energy conservation day in Ohio
The School Energy Program was established in 1985 to allow school districts to make energy efficiency improvements to their buildings and use th..→
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World Down Syndrome Day
The estimated incidence of Down Syndrome is between 1 in 1,000 to 1 in 1,100 live births worldwide. Each year approximately 3,000 to 5,000 child..→
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World Home Economics Day
The International Federation for Home Economics (IFHE) is the only worldwide organisation concerned with Home Economics and Consumer Studies. It..→
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World Poetry Day
Epic of Gilgamesh from Babylon is the oldest written poem (around 4,000 years old) and it tells the story of a king. A stanza, traditionally con..→
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Emancipation Day in Puerto Rico
On March 22, Puerto Rico celebrates the annual holiday, Emancipation Day, commemorating the abolition of slavery from its island in 1873. Slaver..→
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World Water Day
The theme for World Water Day 2019 is "Leaving no one behind". This is an adaptation of the central promise of the 2030 Agenda for Sus..→
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World Meteorological Day
Our climate is changing. This is not just a future scenario. It is happening now. The climate will continue to change over the coming decades as..→
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Commonwealth Covenant Day in Northern Mariana Islands
The Northern Mariana Islands, officially the Commonwealth of the Northern Mariana Islands (CNMI), is one of five inhabited American insular area..→
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International Day for the Right to the Truth concerning Gross Human Rights Violations and for the Dignity of Victims
In a study conducted in 2006 the Office of the UN High Commissioner for Human Rights concluded that the right to the truth about gross human rig..→
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World Tuberculosis Day
Facts about tuberculosis: HIV/AIDS, TB and malaria kill 6 million people every year; nearly 2 million deaths are caused by TB; TB is curable, bu..→
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International Day of Remembrance of the Victims of Slavery and the Transatlantic Slave Trade
For over 400 years, more than 15 million men, women and children were the victims of the tragic transatlantic slave trade, one of the darkest ch..→
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International Day of Solidarity with Detained and Missing Staff Members
Beirut (AFP) - More than 50 UN staff members have been killed, imprisoned or gone missing in war-wracked Syria, the UN Office for the Coordinati..→
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Prince Jonah Kuhio Kalanianaole Day in Hawaii
Prince Kalanianaole was a prince indeed – a prince of good fellows and a man among men. A man of sterling sincerity and strong convictions – he ..→
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National Doctors’ Day
National Doctors’ Day in the United States was established to recognize physicians, their work, and their contributions to society and the commu..→
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Vietnam Veterans’ Day in Ohio
Hundreds of thousands of Ohio citizens answered the call to serve our nation during the Vietnam War. Of those Ohioans who served in Vietnam, app..→
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Welcome Home Vietnam Veterans Day in California
The Vietnam War was fought in Vietnam from 1961 to 1975, and involved North Vietnam and Viet Cong in conflict with the United States and South V..→
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Cesar Chavez Day in California and Texas
During a 25-day fast in 1972, Chavez and Huerta coined the slogan "Si, se puede," Spanish for "Yes, it can be done." It beca..→
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Seward’s Day in Alaska
The Alaska Purchase was the United States’ acquisition of Alaska from the Russian Empire by a treaty ratified by the United States Senate.
Sewa..→
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