Potomac primary
- 2008 District of Columbia Democratic presidential primary
- 2008 District of Columbia Republican presidential primary
- 2008 Maryland Democratic presidential primary
- 2008 Maryland Republican presidential primary
- 2008 Virginia Democratic presidential primary
- 2008 Virginia Republican presidential primary
- 2012 District of Columbia Republican presidential primary
- 2012 United States presidential election in Maryland
- 2016 United States presidential election
- Barack Obama
- Chesapeake Bay
- Crabcake
- Democratic Party presidential primaries, 2016
- Interstate 495 (Capital Beltway)
- John McCain
- Maryland
- Potomac River
- Republican Party presidential primaries, 2016
- Super Tuesday
- Virginia
- Washington, D.C.