Historical clue formulations

• The "R" in R.I. — 2026-09-15
• What "R" might stand for on an envelope — 2026-04-30
• ___ Island (smallest U.S. state) — 2025-10-27
• ___ Island — 2024-01-17
• ___ Island (location that's not really an island) — 2023-02-08
• Part of R.I. — 2021-07-18
• ___ Island — 2021-07-10
• ___ Island — 2020-06-21
• R, in a postal abbreviation — 2020-05-23
• ___ Island Red (chicken) — 2019-12-03
• ___ Island Red (fowl type) — 2017-04-19
• ___ Island Red (chicken variety) — 2016-09-19
• ___ Island — 2015-06-26
• ___ Island — 2013-04-05
• ___ Island — 2007-10-20
• Part of U.R.I. — 2007-08-12
• ___ Island — 2006-01-28
• University of ___ Island — 2003-09-16
• ___ Island red — 2001-05-23
• ___ Island — 2001-01-25
• ___ Island Sound — 2000-08-09
• ___ Island — 2000-06-13
• ___ Island Red — 1999-10-27
• ___ Island — 1997-12-31
• ___ Island — 1996-12-15
• _____ Island — 1995-12-02