Historical clue formulations

• W.C.s — 2026-02-20
• Baths in Bath — 2025-12-28
• Short johns? — 2022-03-09
• Loos — 2021-04-27
• Loos — 2019-11-15
• W.C.s — 2018-11-20
• W.C.'s — 2013-12-04
• Loos — 2012-06-26
• W.C.'s — 2001-12-16
• Restrooms, informally — 2001-12-03
• Johns — 2000-01-16
• Johns — 1997-06-01