Historical clue formulations

• Happy: Sp. — 2025-03-31
• "___ Navidad" — 2021-06-07
• Hernando's "happy" — 2018-01-13
• "___ Navidad" — 2015-01-05
• Start of a Spanish Christmas greeting — 2007-07-20
• "___Navidad!" — 1996-07-17