Historical clue formulations

• School org. — 2026-06-25
• Museum-funding org. — 2025-11-23
• Major lobby in D.C. — 2025-06-22
• Largest union in the U.S., for short — 2025-02-11
• Largest U.S. union, with about three million members, in brief — 2025-01-25
• Org. with Student Success Grants — 2024-09-22
• Largest labor union in the U.S., in brief — 2024-07-28
• Org. that funds PBS — 2024-04-30
• Grp. concerned with digital learning — 2024-03-30
• Major PBS funder, for short — 2023-10-14
• Major lobby in D.C. — 2023-04-28
• D.C.-based teachers' union — 2022-12-27
• Org. that might give a grant to a sculptor — 2022-05-31
• Pedagogic org. — 2022-04-06
• Museum-funding org. — 2022-02-28
• Grant-issuing cultural org. — 2021-11-08
• Largest U.S. union — 2021-09-17
• Org. that funds PBS — 2021-07-26
• Org. whose vision is "a great public school for every student" — 2020-12-24
• PBS-funding org. — 2020-12-15
• Unionized teachers' grp. — 2020-12-14
• Org. that sponsored the design competition for the Vietnam Veterans Memorial — 2020-11-08
• PBS-funding org. — 2020-11-06
• Read Across America org. — 2020-06-14
• Org. opposing school vouchers — 2020-05-02
• Big funder of cultural orgs. — 2020-04-29
• Largest labor union in the U.S.: Abbr. — 2020-04-10
• Sponsor of the Poetry Out Loud program, for short — 2020-03-20
• Promoter of Teacher Appreciation Week: Abbr. — 2020-01-01
• Museum-funding org. — 2019-12-24
• Exhibition-funding grp. — 2019-07-26
• PBS-funding org. — 2019-04-15
• U.S.'s largest union, with 3.2 million members — 2018-06-11
• Org. concerned with Common Core — 2017-10-25
• Grant-making grp. — 2017-10-11
• Govt. org. whose funding is perennially debated — 2017-08-17
• Teachers' org. — 2017-08-01
• Pedagogic org. — 2017-07-23
• Schoolteacher's org. — 2017-05-15
• Org. with a campaign called "Degrees Not Debt" — 2017-03-31
• Museum-funding org. — 2017-03-08
• Teachers' org. — 2016-10-25
• PBS backer — 2016-10-06
• PBS supporter, for short — 2016-09-11
• Largest labor union in the U.S. — 2016-05-22
• Teachers' org. — 2016-05-02
• Grant source, for short — 2015-12-29
• PBS benefactor — 2015-10-04
• Teachers' grp. — 2015-09-27
• U.S.'s largest labor union, in brief — 2015-08-16