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ACHS is currently closed due to COVID-19.  Please check back soon for further updates. 

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Located in Gettysburg, Pennsylvania, the Adams County Historical Society preserves and protects over one million historic items that tell the story of one of America's most remarkable communities. Join us and travel back through over 300 years of history.


Did your ancestors live in Adams County? Do you own a historic property in the area? Want to learn more about how average people dealt with their community becoming the site of the largest battle ever fought in the western hemisphere? If your answer to any of these questions is yes, the Adams County Historical Society (ACHS) is the place for you!

Founded in 1940 but with origins dating to the 1880s, ACHS holds Adams County’s most precious documents, including vital records, church records, wills and estate papers, tax ledgers, deed books, family collections, 100,000+ photographs, business and organization records, and so much more. Our headquarters is also home to the Battle of Gettysburg Research Center, a library and archive assembled by and for students of the Civil War with an emphasis on the role played by local civilians before, during, and after the Battle of Gettysburg.



Our Impact

  • Visitors this Year


  • Volunteer Hours This Year


  • Historic Collections Saved


  • Historic Items Cataloged


Recent Posts and Articles

A look at the difficulties living on a frontier.

Assistance is rendered after the Battle of Gettysburg.

  • The Adams County Historical Society preserves thousands of priceless photographs, and has done so diligently since its founding in 1940. The society’s work is vitally important to protecting Adams County’s rich historical past, and I have been a proud member and supporter of ACHS since 1982.

© 2020 Adams County Historical Society