Linus Pauling Day

United States • February 28, 2026 • Saturday

57
Days
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Hours
33
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22
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until Linus Pauling Day
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Holiday Details

Holiday Name
Linus Pauling Day
Date
February 28, 2026
Day of Week
Saturday
Status
57 days away
Weekend
Falls on weekend
About this Holiday
Linus Pauling Day is a state holiday on February 28 in Oregon, USA.

About Linus Pauling Day

Also known as: Linus Pauling Day

Linus Pauling Day: Honoring a Titan of Science and Peace

Linus Pauling Day is a unique observance in the United States that serves as a tribute to one of the most influential scientists and activists of the 20th century. Celebrated primarily in the state of Oregon, this day commemorates the birth and multifaceted legacy of Linus Carl Pauling. Unlike many holidays that focus on historical battles or religious events, Linus Pauling Day is a celebration of the human intellect, the pursuit of scientific truth, and the courageous stand for global peace. It is a day that invites us to look at the world through the lens of molecular structures and humanitarian ethics, reflecting on a man who fundamentally changed our understanding of the universe.

What makes this day truly special is the singular nature of the man it honors. Linus Pauling remains the only person in history to have won two unshared Nobel Prizes. While others have won multiple Nobels, Pauling achieved this feat in two entirely different fields: Chemistry and Peace. This duality defines the essence of the holiday. It is not just a "Science Day," but a "Humanity Day." It reminds us that a person’s professional expertise—in Pauling’s case, his revolutionary work on chemical bonds—can and should be used as a platform for moral leadership. On February 28, the academic community and the citizens of Oregon pause to recognize a visionary who was often ahead of his time, whether he was mapping the nature of the chemical bond or protesting the proliferation of nuclear weapons.

The atmosphere of Linus Pauling Day is intellectual and reflective. It is not characterized by loud parades or massive public festivals, but rather by a quiet sense of pride in Oregon’s "favorite son." For students, scientists, and peace advocates, it is a day of inspiration. It serves as a reminder that curiosity is a powerful force and that one individual, armed with data and a conscience, can challenge the most powerful institutions in the world. From his childhood in Portland to his groundbreaking research in Corvallis and beyond, Pauling’s journey is a quintessential American story of brilliance, controversy, and enduring impact.

When is Linus Pauling Day in 2026?

If you are planning to observe this day of scientific reflection, it is important to note the specific timing for the upcoming year. Linus Pauling Day is a fixed holiday, always occurring on the anniversary of his birth, February 28.

In 2026, Linus Pauling Day will fall on Saturday, February 28, 2026. There are currently 56 days remaining until this celebration of science and peace.

Because the holiday is tied to a specific calendar date (February 28), it is considered a fixed observance. Whether it falls on a weekday or a weekend, the significance of the date remains the same. In 2026, since it falls on a Saturday, many people may find it easier to visit the various landmarks and university collections dedicated to his memory without the constraints of the typical work week.

The Life and Legacy of Linus Pauling

To understand why this day exists, one must understand the monumental life of Linus Pauling. Born in Portland, Oregon, in 1901, Pauling’s early life was marked by a voracious appetite for reading and an early interest in chemistry. He attended Oregon Agricultural College (now Oregon State University), where he studied chemical engineering. His academic journey eventually led him to the California Institute of Technology (Caltech), where he would perform much of his most famous work.

The Father of Molecular Biology

Pauling’s 1954 Nobel Prize in Chemistry was awarded "for his research into the nature of the chemical bond and its application to the elucidation of the structure of complex substances." He essentially pioneered the use of quantum mechanics to explain the structures of molecules. His book, The Nature of the Chemical Bond, is considered one of the most important chemistry texts ever written. Before Pauling, the way atoms stuck together was largely a mystery; he provided the roadmap that allowed future scientists to understand everything from the structure of DNA to the behavior of synthetic materials. Indeed, many refer to him as the "father of molecular biology" because his work on protein structures (like the alpha helix) paved the way for the discovery of the double helix.

A Voice for Peace

While his scientific achievements were enough to cement his place in history, Pauling’s conscience led him down a more controversial path during the Cold War. Deeply concerned about the health effects of radioactive fallout from nuclear testing, Pauling became a vocal advocate for nuclear disarmament. He famously presented a petition to the United Nations signed by over 11,000 scientists, calling for an end to nuclear weapon tests.

His activism was not without cost. During the height of the "Red Scare" in the United States, Pauling was viewed with suspicion by the government. His passport was even denied at one point, preventing him from attending scientific conferences abroad. However, his persistence paid off. His efforts were instrumental in the signing of the Partial Nuclear Test Ban Treaty in 1963. For this tireless work, he was awarded the 1962 Nobel Peace Prize (announced in 1963). This made him the only person to hold two unshared Nobel Prizes, a record that stands to this day.

How the Day is Observed

Linus Pauling Day is not a holiday of "stuff" or commercialism; it is a holiday of "ideas." Consequently, the ways in which people observe it are largely educational and focused on the advancement of knowledge.

Academic and Institutional Events

The heart of Linus Pauling Day celebrations is located in Corvallis, Oregon, at Oregon State University (OSU). As Pauling’s alma mater and the home of his extensive personal and professional archives, the university often serves as the hub for commemorative activities. The Linus Pauling Institute (LPI): This research institute, which moved from California to OSU in the 1990s, focuses on the role of vitamins, minerals, and phytochemicals in maintaining human health. On or around February 28, the LPI may host guest lectures, open houses, or webinars detailing their latest research into micronutrients—a field Pauling championed in his later years. Special Collections and Archives: The Valley Library at OSU houses the Ava Helen and Linus Pauling Papers. This massive collection includes over 500,000 items, including his research notebooks, Nobel medals, and personal correspondence. On Linus Pauling Day, students and visitors are encouraged to explore these digitized archives or view special physical exhibits curated for the occasion. Educational Outreach: Schools in the Oregon area often use the day to teach students about the scientific method, the importance of civic engagement, and the biography of Pauling himself. It is a popular time for science fairs or classroom discussions on the ethics of scientific discovery.

Personal and Local Traditions

Outside of the formal university setting, Oregonians and science enthusiasts across the country observe the day in more informal, often quirky ways.
The Vitamin C Connection: In his later life, Pauling became a passionate (and controversial) advocate for the health benefits of high-dose Vitamin C. While contemporary science has debunked many of his more extreme claims regarding Vitamin C’s ability to cure the common cold or cancer, the association remains a legendary part of his persona. It has become a lighthearted tradition for some to drink a large glass of orange juice or take a Vitamin C supplement on February 28 as a "nod" to the man’s eccentric but dedicated pursuit of health. Reflective Reading: Many choose to spend the day reading Pauling’s works or biographies written about him. No More War!, his passionate plea for peace, remains a popular choice for those interested in his activist side, while science buffs might revisit his papers on sickle cell anemia—the first time a disease was identified as being "molecular" in nature. Promoting Peace: For peace activists, the day is an opportunity to reflect on current global tensions. Some local peace organizations in Oregon may hold small vigils or discussion groups focused on nuclear non-proliferation, carrying on the spirit of Pauling’s 1962 Nobel acceptance.

Historical Proclamation and State Recognition

The official recognition of Linus Pauling Day is a relatively recent development in Oregon’s history. Following Pauling’s death in August 1994, there was a strong desire within the state to ensure his legacy was preserved for future generations.

Governor Barbara Roberts was the first to officially proclaim February 28 as Linus Pauling Day in 1994. The proclamation was intended to honor his status as an Oregon icon and his contributions to global science and peace. Subsequent governors, including John Kitzhaber, reinforced this recognition. While it is not a "legal holiday" in the sense that government offices close, it is an "official day of recognition" in the state of Oregon.

The state’s pride in Pauling is evident in various landmarks. In Portland, you can find his childhood home (though it is a private residence), and in Corvallis, his presence is felt everywhere from the street names to the state-of-the-art research facilities. The holiday serves as the annual "anchor" for this state-wide appreciation.

Practical Information for Visitors and Expats

If you are a visitor or an expatriate living in the United States—specifically in the Pacific Northwest—and you wish to participate in Linus Pauling Day, here is what you need to know:

Where to Go

  1. Corvallis, Oregon: This is the primary destination. The Oregon State University campus is beautiful in late February. You can visit the Linus Pauling Science Center, a stunning building that houses the Linus Pauling Institute.
  2. Portland, Oregon: As his birthplace, Portland has several markers and sites related to his early life. It’s a great place to start a "Pauling pilgrimage" before heading south to Corvallis.
  3. Online Archives: If you cannot travel to Oregon, the OSU Special Collections website is one of the most comprehensive digital archives of any scientist in the world. You can spend hours looking at his hand-drawn molecular models and his letters to other famous scientists like Albert Einstein.

What to Expect

No Closures: Do not expect any businesses, banks, or post offices to be closed. In the U.S., state-recognized days that are not public holidays function as normal business days. Weather: February in Oregon is typically cool and rainy. If you are visiting the OSU campus for a walking tour, bring a sturdy umbrella and a waterproof jacket. Academic Atmosphere: Most events are held in academic settings. If you attend a lecture or visit a library collection, be prepared for a quiet, respectful environment.

Travel and Logistics

Since Linus Pauling Day is not a federal holiday, there are no disruptions to public transportation, flights, or road traffic beyond the usual daily patterns. In 2026, because it is a Saturday, the OSU campus will be quieter than a typical school day, but the libraries and research centers may have specific weekend hours, so it is best to check the university’s website in advance.

The Significance of the "Unshared" Nobel Prizes

A point of major emphasis during Linus Pauling Day is the word "unshared." In the world of the Nobel Prize, it is very common for two or three people to split a prize for a collaborative discovery. For example, the Nobel Prize for the discovery of the structure of DNA was shared by Watson, Crick, and Wilkins.

Pauling’s achievement—winning two prizes entirely on his own—is a testament to his individual brilliance and his ability to master disparate fields. This is why the holiday is so important to the scientific community. It celebrates the "polymath"—the person who knows a lot about a lot of things. In an era of extreme specialization, Pauling’s life encourages us to look beyond our own narrow silos of knowledge.

Unique Aspects and "Quirky" History

Linus Pauling was a man of great complexity, and the holiday often brings up some of the more "human" and controversial aspects of his life.

The Passport Incident

One of the most discussed stories during Linus Pauling Day is how the U.S. State Department refused to issue him a passport in 1952. They claimed his anti-nuclear activities were "not in the best interests of the United States." This prevented him from attending a crucial scientific meeting in London where he likely would have seen high-quality X-ray images of DNA. Some historians believe that if he had been allowed to travel, he might have discovered the double-helix structure of DNA before Watson and Crick. This story is often told to highlight the negative impact that political interference can have on scientific progress.

The "Vitamin C" Legacy

While the scientific community distanced itself from Pauling’s later claims about Vitamin C, the public remains fascinated by it. On Linus Pauling Day, you will often see articles or social media posts debating his "orthomolecular medicine" theories. It serves as a fascinating case study in how even the world’s greatest minds can become obsessed with ideas that fall outside the scientific consensus. It adds a layer of "human fallibility" to the holiday that makes Pauling a more relatable figure.

Is Linus Pauling Day a Public Holiday?

It is important to clarify the legal status of Linus Pauling Day for those living in or visiting the United States.

No, Linus Pauling Day is not a federal or public holiday.

In the United States, federal holidays (like Christmas, Thanksgiving, or Independence Day) result in the closure of federal government offices, post offices, and most banks. Linus Pauling Day does not fall into this category. Furthermore, even within the state of Oregon, it is not a "paid holiday" for state employees.

Here is a breakdown of what to expect on February 28, 2026, 2026: Government Offices: Open during regular hours (though since it is a Saturday, many would be closed anyway). Schools: Most schools are closed on Saturdays, but if there were a Friday observance, schools would remain open. Businesses and Retail: All shops, grocery stores, and malls will operate with normal Saturday hours.

  • Public Transit: Buses and trains will run on their standard Saturday schedules.
Essentially, Linus Pauling Day is a commemorative day. It is similar to days like Earth Day or Flag Day—widely recognized and celebrated in specific circles, but not a day off from work or school. Its primary purpose is to foster educational opportunities and keep the memory of Pauling's contributions alive in the public consciousness.

Conclusion

Linus Pauling Day in the United States is more than just a date on a calendar for Oregonians; it is a celebration of a life lived at the intersection of genius and conscience. By observing this day on February 28, 2026, we honor a man who taught us how atoms bond and then spent the rest of his life trying to ensure that those same atoms weren't used to destroy humanity.

Whether you are a chemistry student at OSU, a peace activist in Portland, or simply a curious citizen, Linus Pauling Day offers a moment to appreciate the power of science to improve the world. It encourages us to be bold in our inquiries, steadfast in our values, and always, as Pauling was, a little bit revolutionary. As we approach 2026, let us remember the man who won two Nobels and reminded us that the greatest discovery one can make is how to serve the common good.

Frequently Asked Questions

Common questions about Linus Pauling Day in United States

In 2026, Linus Pauling Day will be observed on Saturday, February 28, 2026. This date is approximately 56 days away from the end of 2025. The holiday is held annually on February 28 to coincide with the anniversary of the birth of the world-renowned scientist and peace activist, who was born in Portland, Oregon, in 1901.

No, it is not a federal or public holiday. While it is an officially recognized state holiday in Oregon, businesses, schools, and government offices remain open with regular operating hours. Even when the date falls on a weekend, as it does in 2026, there are no mandatory closures or travel disruptions. It serves primarily as a day of recognition rather than a day off work.

Linus Pauling was a revolutionary chemist and activist who is the only person in history to win two unshared Nobel Prizes. He received the Nobel Prize in Chemistry in 1954 for his research on the nature of the chemical bond and the Nobel Peace Prize in 1962 for his tireless campaign against nuclear weapons testing. Often called the 'father of molecular biology,' his contributions to science and his courage in standing up for his political convictions made him a central figure in 20th-century history, particularly in his home state of Oregon.

Celebrations for Linus Pauling Day are generally low-key and focused on education and reflection rather than parades or large public parties. Many people observe the day by visiting the Linus Pauling Institute at Oregon State University (OSU) in Corvallis to attend lectures or view scientific exhibits. Some individuals choose to honor his legacy by drinking orange juice, a nod to his famous advocacy for the health benefits of Vitamin C, or by researching his extensive archives at the OSU Valley Library.

There are no widespread national traditions like family gatherings or costumes for Linus Pauling Day. Instead, customs are academic and local to the Pacific Northwest. Common activities include exploring the digitized archives of his research notebooks, discussing his impact on chemical engineering, and reflecting on the importance of scientific integrity. In Oregon, the day is used as an opportunity to inspire curiosity in science among students and to recognize Pauling's unique dual legacy as a scientist and a humanitarian.

Visitors interested in honoring Linus Pauling should head to Corvallis or Portland. In Corvallis, you can visit the Oregon State University campus, where Pauling studied and where his Nobel Prizes and papers are housed in the Special Collections of the Valley Library. It is important to respect the academic environment, as these are active research facilities. You can also visit his birthplace in Portland to reflect on his early life. Since there are no holiday closures, you can expect full access to museums and university sites during regular hours.

One of the most unique aspects of Pauling's life was his bold activism, which at one point led the U.S. government to deny him a passport due to his anti-nuclear stances. Another famous, albeit debated, part of his legacy is his intense promotion of high-dose Vitamin C for health, which remains a popular topic of discussion despite scientific skepticism. These details highlight his willingness to stand firm in his convictions, regardless of public or governmental opposition.

The holiday was first proclaimed by Oregon Governor Barbara Roberts in 1994, shortly after Pauling's death, to honor his immense contributions to the world and his roots in the state. Subsequent governors, including John Kitzhaber, have reinforced the proclamation, ensuring that February 28 remains a day for Oregonians to celebrate their most famous scientist. The day serves as a permanent tribute to his work in chemical bonds and his global efforts toward peace.

Historical Dates

Linus Pauling Day dates in United States from 2010 to 2025

Year Day of Week Date
2025 Friday February 28, 2025
2024 Wednesday February 28, 2024
2023 Tuesday February 28, 2023
2022 Monday February 28, 2022
2021 Sunday February 28, 2021
2020 Friday February 28, 2020
2019 Thursday February 28, 2019
2018 Wednesday February 28, 2018
2017 Tuesday February 28, 2017
2016 Sunday February 28, 2016
2015 Saturday February 28, 2015
2014 Friday February 28, 2014
2013 Thursday February 28, 2013
2012 Tuesday February 28, 2012
2011 Monday February 28, 2011
2010 Sunday February 28, 2010

Note: Holiday dates may vary. Some holidays follow lunar calendars or have different observance dates. Purple indicates weekends.