Historical clue formulations

• Second half of a two-word South American capital — 2025-06-14
• Buenos ___, Argentina — 2024-09-23
• Buenos ___ — 2023-12-16
• Buenos ___ — 2023-03-16
• Buenos ___ — 2021-10-05
• Spanish winds — 2020-04-19
• Buenos ___ — 2019-10-06
• Buenos ___ — 2018-02-18
• Buenos ___ — 2017-09-17
• Buenos ___ — 2015-04-14
• Buenos ___ — 2014-05-12
• Buenos ___ — 2013-10-27
• Buenos ___ — 2012-10-25
• Buenos ___ — 2012-10-09
• Spanish winds — 2012-02-26
• Buenos ___ — 2011-07-31
• Buenos ___ — 2011-02-24
• Buenos ___ — 2009-09-06
• Buenos ___ — 2009-06-11
• Buenos ___ — 2009-02-15
• Buenos ___ — 2005-11-13
• Buenos ___ — 2005-07-03
• Buenos ___ — 2002-02-17
• Cao da Serra de ___ (dog breed) — 2001-01-18
• Buenos ___ — 2000-12-21
• Buenos ___ — 2000-09-22
• Buenos ___ — 2000-01-14
• Buenos ___ — 1999-03-01
• Buenos ___ — 1998-08-09
• Buenos ___ — 1998-03-10
• Buenos ___ — 1997-10-13
• Buenos ___ — 1996-08-18
• Buenos___ — 1996-06-18
• Buenos ____ — 1995-09-11
• Buenos ____ — 1995-07-25
• Rivers in England and France — 1994-05-28