Historical clue formulations

• Long Island Sound, e.g. — 2025-03-27
• Chesapeake Bay is one — 2024-04-03
• Where a river meets the sea — 2018-10-03
• Chesapeake Bay, e.g. — 2011-11-17
• Wide part of a river where it meets the sea — 2011-02-07
• Ocean inlet — 2005-01-03
• Little sound — 2003-10-24
• Inlet — 2001-08-20
• Río de la Plata, e.g. — 2001-05-18
• Little sound — 2000-11-04
• Where a river meets the sea — 2000-03-17
• River's end — 1998-06-10