Historical clue formulations

• U.S. capital in Lewis and Clark County — 2023-06-08
• Capital in Lewis and Clark County — 2023-01-07
• Capital of Montana — 2022-07-26
• Montana's capital — 2022-02-15
• Montana's capital — 2021-05-10
• State capital in Lewis and Clark County — 2020-05-31
• Seat of Lewis and Clark County — 2018-01-21
• Capital that's home to Last Chance Gulch — 2017-07-01
• Capital city founded during a gold rush — 2015-05-31
• Capital that's the seat of Lewis and Clark County — 2015-03-22
• Home of minor-league baseball's Brewers — 2014-11-21
• Montana's capital — 2013-10-08
• Hint-giving columnist — 2013-08-25
• Capital along Interstate 15 — 2012-11-02
• State capital whose main street is named Last Chance Gulch — 2012-02-21
• Queen City of the Rockies — 2011-10-23
• State capital originally called Crabtown — 2008-04-17
• Last Chance Gulch city — 2003-11-30
• Queen City of the Rockies — 2000-08-25
• Treasure State city — 2000-04-23
• Its main street marks Last Chance Gulch — 1999-01-31
• Its main street is Last Chance Gulch — 1998-06-21
• Mother of Constantine the Great — 1998-03-25
• Treasure State capital — 1998-03-08
• "All's Well That Ends Well" heroine — 1997-09-21
• Seat of Lewis and Clark County — 1997-06-20
• Last Chance Gulch site — 1995-10-20