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National Historic Marker Day

Celebrate Local History and Beautify Your Community

People everywhere enjoy historic markers, from roadsides and parks to historic sites or even their own neighborhoods. According to The Historical Marker Database, there’s more than 195,000 markers in the United States, but many have not received cleaning or care for years.

That’s where National Historic Marker Day steps in! This service-oriented event brings people and communities together to maintain their markers by cleaning them and providing an opportunity to celebrate and preserve history. Created by the William G. Pomeroy Foundation, this fun and family-friendly celebration is held the last Friday of every April.

Thank you for volunteering during the fourth annual National Historic Marker Day that was held on Friday, April 26, 2024. Scroll down for event details.

Visit the Pomeroy Foundation’s interactive marker map or The Historical Marker Database to locate markers in your area.

How to Volunteer for National Historic Marker Day

Register to Volunteer

Make your volunteer efforts official! Individuals, families, groups and organizations that plan to participate in National Historic Marker Day 2024 are encouraged to register as volunteers on the Pomeroy Foundation website.

Plan Your Project

Getting ready for National Historic Marker Day? Download our volunteer kit. Inside you will access a planning document, marker cleaning guide, lesson plans, kid-friendly activity ideas, and tips for publicizing your project.

Download the 2024 Volunteer Kit

Participation Benefits

As a “thank you,” registered volunteers are featured on our acknowledgments page and are eligible for a special giveaway once you send your marker cleaning photos to Wear your stickers if you received them!

Meet the 2024 Volunteers

Share Your Photos from National Historic Marker Day

If you register to volunteer, please email photos from your marker cleaning project directly to us at and post them publicly on social media using #NationalHistoricMarkerDay. You will be entered into our giveaway and select photos will be featured on our social media and website. Showcase your participation and follow us on Facebook, Instagram and Twitter for pictures from National Historic Marker Day!

Watch our video guide below about how to properly clean historical markers.