Historical clue formulations

• Ellington's "Take ___ Train" — 2026-04-13
• Mother of Helios, in myth — 2026-02-01
• "Edie & ___: A Very Long Engagement" (2009 documentary) — 2025-12-09
• Nickname for Atlanta — 2023-06-25
• Woman's name meaning "goddess" — 2021-05-09
• Mother of Helios — 2020-04-16
• Which train goes to Harlem, in song — 2019-07-28
• Mother of Helios — 2017-04-30
• "___-Team" — 2016-04-17
• Mother of Selene — 2015-11-05
• Mother of Eos and Helios — 2014-12-07
• Mother of Helios — 2012-02-29
• "Take ___ Train" — 2010-11-14
• Ellington's "Take ___ Train" — 2009-07-20
• Mother of Helios — 2009-01-04
• Singer/songwriter Gilmore — 2008-11-21
• Sister and wife of Hyperion — 2008-04-23
• TV's "___-Team" — 2007-05-13
• "___-Team" — 2006-07-05
• Hedda's schoolmate in "Hedda Gabler" — 2005-10-28
• Which train to take, in song — 2004-05-27
• Mother of Helios — 2003-01-19
• Mother of Helios — 2002-05-26
• ___-Team (this puzzle's theme?) — 1999-08-19
• "___ Team" — 1999-02-26
• Former ABC sitcom — 1998-10-29
• Train in a celebrated song — 1998-05-31
• "Take ___ Train" — 1997-05-20
• "Take___Train" — 1996-06-24
• "Take _____ Train" — 1995-06-09
• "Take _____ Train" — 1994-02-24