Historical clue formulations

• Italian province on the Swiss border — 2024-11-16
• "___ Agua Para Chocolate" (hit 1992 foreign-language film) — 2024-08-17
• How, in Oaxaca — 2023-06-11
• "___ está usted?" — 2023-01-31
• Italy's Lake ___ — 2021-07-27
• Spanish for "how" — 2020-07-22
• Lake in "Casino Royale" — 2019-05-26
• Italy's Lake ___ — 2019-01-10
• Italian city where Pliny the Elder and Younger were born — 2016-10-08
• "___ te llamas?" — 2015-10-14
• Spanish interrogative — 2014-09-20
• "Till the End of Time" singer — 2013-03-22
• Perry with the 1956 #1 hit "Hot Diggity" — 2011-08-15
• "___ te llamas?" (Spanish 101 question) — 2009-01-14
• "It's Impossible" crooner — 2007-09-12
• "It's Impossible" singer — 2006-01-29
• Italian silk center — 2005-10-16
• "Juke Box Baby" singer — 2005-08-26
• Lombardy's Lake ___ — 2005-08-20
• Lake north of Milan — 2005-04-14
• Italian resort lake — 2002-05-19
• "___ está usted?" — 2002-05-06
• Singer with the first gold record single — 2002-04-05
• "Juke Box Baby" singer, 1956 — 2001-05-20
• Italian lake — 2000-08-08
• "Hot Diggity" singer — 2000-08-04
• "Catch a Falling Star" singer, 1958 — 1999-12-27
• "Hot Diggity" singer — 1998-05-03
• Old "Supper Club" radio host — 1997-10-18
• Lake at the foothills of the Alps — 1997-03-01
• "Juke Box Baby" singer, 1956 — 1996-07-25
• Emmy-winning show host, 1955-56 — 1996-02-25
• Crooner Perry — 1996-01-15
• Lake in northern Italy — 1995-04-05
• TV host, 1948-63 — 1995-02-16