Historical clue formulations

• ID in some data breaches — 2026-08-20
• W-2 requirement, in brief — 2026-06-28
• ID used for far more than its name suggests — 2026-06-21
• ID thief's target: Abbr. — 2026-06-17
• XXX-XX-XXXX ID — 2026-05-24
• Fig. with two hyphens — 2026-04-16
• It's often identified by its last four digits, in brief — 2026-04-02
• Digital ID? — 2026-03-22
• You might be asked for your "last four" of this, in brief — 2026-03-05
• W-9 fig. — 2026-01-15
• Often-redacted fig. — 2026-01-09
• W-9 fig. — 2026-01-07
• Fig. that cannot start with 9 — 2026-01-02
• ID with two hyphens — 2025-11-26
• ID whose lowest possibility is 001-01-0001 — 2025-11-14
• Something usually kept private, for short — 2025-10-15
• ID on a credit check — 2025-10-05
• The first one was issued in 1936, for short — 2025-10-03
• I.R.S. fig. — 2025-07-10
• Nine-digit ID — 2025-06-30
• Fig. that never starts with 666 — 2025-04-13
• Nine-digit ID — 2025-03-24
• W-9 nine: Abbr. — 2025-03-02
• Target of some phishing scams: Abbr. — 2025-02-08
• Fig. that's often redacted — 2024-12-20
• ID created in 1936 — 2024-12-07
• Nine-digit ID — 2024-12-02
• Digits rarely given out in a bar: Abbr. — 2024-12-01
• "Last four digits" fig. — 2024-10-30
• ID created in 1936 — 2024-10-02
• Commonly redacted ID — 2024-06-05
• Govt.-issued ID — 2024-05-27
• Mr. Burns supposedly received the second one ever on "The Simpsons": Abbr. — 2024-04-21
• I.R.S. ID — 2024-04-14
• ID whose first five digits are sometimes ignored — 2024-02-18
• ID with two hyphens — 2023-12-18
• Doubly hyphenated fig. — 2023-11-09
• Nine-digit ID — 2023-10-10
• Fig. created by F.D.R.'s New Deal — 2023-10-08
• Taxpayer's ID — 2023-09-10
• Info that's often only partly revealed: Abbr. — 2023-08-27
• Nine digits on an I-9 — 2023-08-06
• 001-01-0001, for one: Abbr. — 2023-07-22
• Application info, often — 2023-07-12
• ID since the Great Depression — 2023-06-29
• I.R.S. identifier, for short — 2023-05-02
• ID that's never reused — 2023-04-30
• Tax ID — 2023-04-23
• Bit of redacted info, for short — 2023-04-09
• Fig. with two hyphens — 2023-04-01