Historical clue formulations

• View from behind the Lincoln Memorial — 2019-12-04
• Harpers Ferry river — 2017-04-07
• It meets the Shenandoah at Harper's Ferry — 2014-11-27
• Theodore Roosevelt Island setting — 2013-10-04
• Foggy Bottom's river — 2006-03-22
• River name meaning "where the goods are brought in" — 1998-01-04
• The Key Bridge spans it — 1995-09-27