Historical clue formulations

• Body of water that was once the world's fourth-largest lake — 2025-02-16
• Lake known for its high salinity — 2023-06-17
• It was once the world's fourth-largest lake — 2022-04-12
• Victim of a 20th-century environmental tragedy — 2021-05-21
• Body of water greatly shrunk by 1960s Soviet irrigation — 2020-01-26
• Victim of river diversion in Asia — 2017-05-16
• Asian body of water that's now largely dried up — 2016-11-08
• Body undergoing desertification — 2016-03-05
• Amu Darya outlet, once — 2015-11-01
• Body that's a lot thinner than it used to be — 2015-07-19
• The Amu Darya no longer feeds it — 2015-06-27
• Body that's now a fraction of its former self — 2015-05-14
• Polluted Asian lake — 2014-04-06
• Kazakh border lake — 2013-02-20
• Shrinking body — 2012-06-09
• Part of the Uzbekistan border — 2009-03-05
• Shrinking body — 2007-05-05
• Waters fed by the Amu Darya — 2007-02-25
• Lake on the edge of Kazakhstan — 2007-02-13
• Body of water on 60° East longitude — 2005-05-27
• It's now less than half its 1960 size — 2005-05-21
• Body of water south of Orsk — 2005-01-27
• Body of water between Kazakhstan and Uzbekistan — 2003-01-07
• Fast-shrinking body — 2001-08-11
• Noted lake with more than 10% salinity — 2001-04-14
• Uzbek body of water — 2001-03-26
• It's shrinking in Asia — 2000-01-15
• World's fourth-largest inland body of water — 1998-09-04
• About 25,000 square miles of Asia — 1997-11-01
• Uzbek lake — 1997-01-15
• About 26,000 square miles of Asia — 1996-11-09
• Amu Darya's outlet — 1995-12-17
• Uzbek lake — 1994-08-25