Historical clue formulations

• Bob who painted "happy little trees" — 2026-07-30
• Sewer in American history — 2025-09-28
• Host of "The Joy of Painting" — 2024-11-16
• "Dress for Less" sloganeer — 2024-11-01
• "Chain Reaction" singer, 1985 — 2024-08-16
• Supreme leader? — 2024-07-20
• Diana of Motown — 2024-07-17
• Singer Diana with two stars on the Hollywood Walk of Fame — 2024-02-27
• Politico Perot — 2023-07-11
• Nellie Tayloe ___, first female governor of a U.S. state (Wyoming) — 2023-05-05
• The "R" of J. R. Ewing, on "Dallas" — 2023-03-03
• Actress Katharine of "The Graduate" — 2022-12-03
• Sewer in American history — 2022-11-27
• One of the friends on "Friends" — 2022-10-26
• Singer Diana — 2022-05-26
• One of the friends on "Friends" — 2021-05-16
• Antarctica's ___ Sea — 2021-02-11
• One of the friends on "Friends" — 2020-07-29
• Harold who co-founded The New Yorker magazine — 2020-07-02
• One of the friends on "Friends" — 2020-03-31
• Diana who led the Supremes — 2019-08-13
• One of the friends on "Friends" — 2019-06-07
• One of the friends on "Friends" — 2018-11-20
• Op-ed writer Douthat — 2018-03-20
• "Friends" character ___ Geller — 2018-03-14
• One of the friends on "Friends" — 2018-02-15
• Antarctica's ___ Ice Shelf — 2017-09-14
• Who set the standard for the United States? — 2017-09-08
• One of the friends on "Friends" — 2017-08-29
• Sewer of note — 2017-05-11
• ___ Sea (Bay of Whales locale) — 2016-08-27
• One of the friends on "Friends" — 2014-12-14
• Clooney's "ER" role — 2012-11-15
• Antarctica's ___ Ice Shelf — 2011-12-04
• Katharine of "The Graduate" — 2011-06-22
• "King Richard II" lord — 2011-06-03
• "Friends" friend — 2011-05-06
• "ER" doctor — 2010-07-08
• Woman depicted in "The Birth of Old Glory" — 2010-06-01
• With 46-Across, Antarctic waters — 2010-02-23
• Supreme leader? — 2009-06-21
• Seamstress Betsy — 2007-09-10
• One of TV's "Friends" — 2007-06-25
• Supreme leader — 2007-04-05
• Politico Perot — 2006-05-02
• Famed sewer — 2005-11-18
• "Mahogany" star, 1975 — 2005-10-23
• Nellie ___, first female state governor — 2005-05-14
• "ER" doctor — 2005-05-06
• Supreme Diana — 2005-02-28