Historical clue formulations

• Like monastery life — 2024-09-15
• No-frills — 2019-04-13
• Like Brutalist architecture — 2018-10-03
• Spare — 2014-05-25
• Spartan — 2014-01-01
• Like monastery life — 2013-05-02
• Spartan — 2012-05-05
• Bare-bones — 2009-05-15
• Spartan — 1999-09-26