Historical clue formulations

• This, in Spanish — 2023-06-20
• This: Sp. — 2022-04-03
• This, in Spanish — 2022-03-21
• "Salus populi suprema lex ___" (motto of Missouri) — 2022-02-20
• "Qué es ___?" ("What's this?": Sp.) — 2021-05-21
• This, in Spanish — 2020-08-05
• This: Sp. — 2020-04-26
• This: Sp. — 2018-11-21
• This, to Tomás — 2018-11-02
• ___ perpetuum (let it be everlasting: Lat.) — 2018-04-27
• Idaho motto word — 2017-03-02
• Latin word on Missouri's state seal — 2016-09-03
• This, in Taxco — 2016-08-26
• This, in Tijuana — 2015-05-05
• This, in Tijuana — 2014-08-28
• This, in Tijuana — 2014-08-17
• This, to Tomás — 2014-05-29
• This, in Tijuana — 2013-05-10
• This, to Tomás — 2012-09-18
• Idaho motto opener — 2012-06-08
• "___ dignus" (Latin motto) — 2011-04-10
• "Salus populi suprema lex ___" (Missouri's motto) — 2011-01-27
• "___ perpetua" (Idaho's motto) — 2010-09-29
• This, in Tijuana — 2010-08-30
• ___ perpetuum (let it be everlasting) — 2009-10-29
• "___ perpetua" (Idaho's motto) — 2008-09-21
• Idaho motto starter — 2008-07-12
• This, to Jorge — 2008-05-15
• This, to Tomás — 2007-09-03
• Start of Idaho's motto — 2007-05-13
• Start of Idaho's motto — 2006-10-15
• This, to Teodoro — 2006-09-13
• Last word of Missouri's motto — 2006-01-15
• "___ perpetua" (Idaho's motto) — 2006-01-09
• End of Missouri's motto — 2004-07-24
• ___ Perpetua (Idaho's motto) — 2004-03-28
• Pablo's this — 2003-05-31
• This, south of the border — 2003-03-24
• This, in Taxco — 2002-12-29
• "___ Perpetua" (Idaho's motto) — 2002-08-17
• Last word of Missouri's motto — 2002-04-05
• "Salus populi suprema lex ___" (Missouri's motto) — 2002-03-09
• Idaho motto starter — 2001-08-01
• This, to Jorge — 2001-05-04
• Idaho motto starter — 2000-10-18
• ___ perpetuum (let it be everlasting) — 2000-06-30
• ___ perpetua (Idaho's motto) — 1999-12-24
• ___ perpetua (Idaho's motto) — 1999-09-16
• This, to Jorge — 1999-08-24
• This, in Tijuana — 1999-01-02