Historical clue formulations

• Portuguese or Spanish — 2023-01-30
• Like Catalonia — 2016-01-09
• Spanish or Portuguese — 2014-03-04
• ___ Peninsula — 2011-04-28
• Basque, e.g. — 2006-09-08
• Portuguese, e.g. — 2004-04-11
• Basque, e.g. — 2001-05-27
• Portuguese, e.g. — 2001-04-13
• Basque, e.g. — 1999-04-17
• Like the majority of Basques — 1998-07-29
• Basque or Catalan — 1998-06-12
• Basque, e.g. — 1997-01-19
• Basque, e.g. — 1996-04-20
• Basque, e.g. — 1994-09-05