Historical clue formulations

• With 42-Across, the Mafia — 2025-12-17
• ___ Nostra — 2025-03-09
• La ___ Nostra — 2024-04-03
• Thing: Sp. — 2022-04-23
• ___ Nostra — 2021-05-03
• It's a thing in Mexico — 2020-10-31
• ___ Nostra — 2020-01-05
• ___ Nostra — 2019-05-26
• Thing: Sp. — 2018-09-15
• Mexican thing — 2017-07-20
• ___ Nostra (crime group) — 2017-02-13
• ___ Nostra — 2016-02-11
• ___ Nostra — 2015-08-27
• Thing, in Spain or Italy — 2014-07-25
• ___ Nostra — 2014-03-28
• ___ Nostra — 2012-03-26
• ___ Nostra — 2007-07-02
• ___ Nostra — 2006-08-27
• ___ Nostra — 2006-05-15
• ___ Nostra — 2003-01-29
• ___ Nostra — 2002-12-10
• ___ Nostra — 1998-10-08
• ___ Nostra — 1996-01-02