Eras
Alexandria from the Northern Neck Proprietary to the present day, broken into eight periods of roughly comparable resolution.
- 1669–1775
Colonial Era
Northern Neck Proprietary through the eve of Revolution
- 1775–1830
Early Republic
Revolutionary War through Jacksonian era
- 1830–1861
Antebellum Era
Slavery, commerce, and the road to war
- 1861–1865
Civil War and Occupation
Union occupation of Alexandria
- 1865–1900
Reconstruction and Early Jim Crow
Freedmen's communities, legal segregation
- 1900–1960
Jim Crow Era
Segregation, WWI, WWII, early civil rights
- 1960–1990
Mid-Century Transformation
Civil rights, redevelopment, Cold War Alexandria
- 1990–present
Modern Alexandria
Waterfront redevelopment, Metro expansion, present day