Historical clue formulations

• Hard work — 2026-07-21
• Obstetrician's specialty — 2026-06-02
• Cabinet department since 1913 — 2025-07-02
• It usually precedes delivery — 2024-12-17
• It's working! — 2024-05-20
• Lead-in to delivery — 2023-09-10
• Work or workers — 2022-11-26
• ___ Day (early September observance) — 2022-09-05
• Accouchement — 2021-06-17
• ___ Day (September observance) — 2021-06-07
• Something most people don't go into more than once a year — 2020-01-29
• Process of childbirth — 2019-12-02
• Birthing — 2019-06-26
• Toil — 2017-06-11
• Process leading up to childbirth — 2014-11-03
• Childbirth — 2014-09-15
• Slave away — 2014-06-24
• Repair bill segment — 2013-01-09
• Israeli political party — 2010-04-22
• Part of a repair estimate — 2008-01-29
• Contractions — 2006-09-03
• Management counterpart — 2006-01-05
• British party — 2003-11-29
• The "L" of A.F.L.-C.I.O. — 2003-11-24
• Partner of parts — 2003-03-14
• Part of a mechanic's bill — 2001-04-22
• Grind away — 2000-10-08
• Big voting bloc — 2000-09-03
• Childbirth — 1999-03-29
• Powerful voting bloc — 1996-08-18
• Auto repair cost — 1996-04-19
• Cabinet post — 1995-05-09
• Important political bloc — 1994-03-13
• Item of love? — 1993-12-16
• Part of N.L.R.B. — 1993-12-12