Historical clue formulations

• URL ender for many nonprofits — 2026-09-13
• Part of NATO: Abbr. — 2026-08-04
• AAA or B.B.B. — 2026-07-09
• Alternative to .com or .edu — 2026-04-20
• See 47-Down — 2026-01-20
• ___ chart — 2025-12-07
• Nonprofit's domain name ender — 2025-10-22
• Alternative to .com — 2025-07-17
• ___ chart — 2025-06-21
• Assn. — 2025-04-30
• Alternative to .net — 2025-03-16
• www.wikipedia.___ — 2024-11-04
• Net alternative — 2024-11-01
• Foundation, e.g., for short — 2024-09-26
• Nonprofit's URL ending — 2024-09-11
• Many a URL ending — 2023-04-16
• greenpeace.___ — 2022-05-09
• .com alternative — 2022-04-13
• United Nations, e.g.: Abbr. — 2022-03-02
• Kind of chart, informally — 2021-12-24
• URL ending — 2021-11-14
• Web address ender — 2021-09-29
• Alternative to .com and .edu — 2021-08-23
• Part of NGO: Abbr. — 2021-07-18
• Doctors Without Borders, e.g.: Abbr. — 2021-01-24
• End of many an address — 2021-01-20
• Dot follower — 2020-12-13
• Dot follower in a nonprofit's web address — 2020-08-10
• Part of NATO: Abbr. — 2020-05-23
• ___ chart — 2020-02-13
• URL ending — 2020-01-21
• Ending of many a web address — 2020-01-11
• Dot follower, online — 2019-12-05
• End of a nonprofit, maybe — 2019-09-20
• Alternative to .net and .gov — 2019-09-03
• Web address ending — 2019-08-27
• 23-Across, for one: Abbr. — 2019-06-15
• Web address ender — 2019-06-08
• Alternative to .com or .net — 2019-05-13
• Assn. — 2019-05-05
• Alternative to .net — 2019-02-24
• Email address ending — 2018-03-18
• The "O" of NATO: Abbr. — 2018-02-13
• ___ chart — 2017-12-07
• www.wikipedia.___ — 2017-05-23
• URL suffix — 2017-05-07
• A.A. or AAA — 2017-02-12
• Assn. — 2016-08-28
• URL ending — 2016-01-24
• Common URL ender — 2015-07-17