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One Boston Day

On One Boston Day, we honor and remember the resilience of our city while coming together to spread kindness and positivity.

Thursday

April 2027

Last updated February 7, 2026 · by the Holiday Calendar Team

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YEARLY DATEApril 15

OBSERVED INUnited States

CATEGORYCulture

SUBCATEGORYCivics

INTRO

Introduction

PHOTO

Get ready to spread kindness and positivity on One Boston Day, celebrated every year on April 15! This day was created in 2015 to honor the victims and survivors of the Boston Marathon bombing, but it has since evolved into a day of service and community building. People all over the city come together to perform acts of kindness, volunteer at local organizations, and promote unity and resilience. It's a beautiful way to honor the strength of the city and its people, and we can all join in by doing something kind for others on this special day.

TIMELINE

One Boston Day Timeline

Boston Marathon Bombing

On April 15, 2013, the tragic Boston Marathon Bombing took place, leading to the loss of lives and leaving many injured.

Inception of One Boston Day

One Boston Day was created in 2015 by former Mayor Marty Walsh to commemorate the strength and generosity demonstrated in the aftermath of the Boston Marathon Bombing.

City-Wide Participation

By 2017, participation in One Boston Day outreached widely to businesses, organizations, and individuals city-wide, thus marking the day as one of unity and community building.

Transit Acts of Kindness

In 2019, Massachusetts Bay Transportation Authority(MBTA) staff handed out free subway passes as part of One Boston Day, marking the evolution of the day into one for spontaneous acts of kindness.

Virtual Acknowledgment

Due to the pandemic, in 2020, Bostonians were encouraged to use social media platforms to commemorate the history of resilience and engage in acts of kindness virtually on One Boston Day.

GET INVOLVED

How to Celebrate One Boston Day

Participate in a community service project

One Boston Day is all about coming together as a community and giving back. Find a local service project or volunteer opportunity and spend the day making a positive impact in your city.

ATTEND

Attend a memorial event

Many communities hold memorial events on One Boston Day to honor the victims of the Boston Marathon bombing. Attend one of these events to pay your respects and show solidarity with your city.

SPREAD

Spread kindness and positivity

Take some time on One Boston Day to spread kindness and positivity in your community. Whether it's through small acts of kindness or spreading positive messages on social media, every bit helps make the world a better place.

EXPLORE

Explore the city and discover new places

On One Boston Day, take some time to explore your city and discover new places. Visit a neighborhood you've never been to, try a new restaurant, or check out a local landmark. Celebrate all the amazing things Boston has to offer.

ORGANIZE

Organize a fundraiser for a local charity

One Boston Day is a great opportunity to raise awareness and funds for a cause you care about. Consider organizing a fundraiser for a local charity that aligns with the spirit of One Boston Day and make a positive impact in your community.

WHY THIS DAY MATTERS

Why One Boston Day is Important

It unites the community

One Boston Day brings people from different backgrounds together to honor a significant event in their city's history. It strengthens bonds within the community and reminds individuals that they are not alone in their healing process.

It honors and commemorates the victims and survivors of the Boston Marathon bombing

One Boston Day is a way for the city to come together and remember those who were affected by the tragedy on April 15, 2013. It serves as a reminder of the strength and resilience of the community in the face of adversity.

It promotes acts of kindness and service

One of the main messages behind One Boston Day is to spread acts of kindness and generosity in memory of the lives lost and impacted by the bombing. People are encouraged to engage in volunteer work, donate to charities, or simply do something kind for others on this day.

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