Explore County History
Learn more about the County’s history through the many voices of past residents
Make A Research Appointment
Request an appointment to access our Research Library and Special Collections
Search Our Collections
Explore our digital collections and archives
View Online Exhibits
Discover different aspects of the County’s unique history through our online exhibits
Featured Events
July 22, 2025 History Conversations | Timberlawn: The Birthplace of the Special Olympics
with Serena Bolliger, Cultural Resource Planner at Maryland National Capital Park and Planning Commission | Tuesday, July 22 at 2:00 p.m. | Virtual Event | In 1901, fledgling architect Arthur Heaton […]
July 28, 2025 History Conversations REWIND | Five for Freedom: The African American Soldiers in John Brown’s Army
with Eugene Meyer | Prerecorded virtual event More than 163 years later, John Brown’s October 1859 ill-fated raid on Harpers Ferry to seize its federal arsenal and incite a slave rebellion […]