Historical clue formulations

• "Deck the Halls" syllables — 2025-12-15
• Scottie in the White House in the 1940s — 2024-09-25
• Presidential dog of the 1940s — 2020-06-06
• Start of a Christmas refrain — 2020-05-24
• Old presidential dog whose name starts a Christmas carol refrain — 2015-12-07
• F.D.R.'s dog — 2015-09-01
• Beginning of a seasonal refrain — 2014-09-27
• F.D.R.'s Scottie — 2014-07-27
• 1940s White House dog — 2011-01-09
• Bo : Obama :: ___ : Roosevelt — 2009-04-20
• F.D.R. dog — 2008-11-26
• F.D.R. dog — 2008-09-17
• Start of a Christmas chorus — 2007-03-09
• F.D.R.'s dog — 2005-08-08
• Onetime White House pooch — 2004-01-21
• Famous White House pooch — 2003-09-03
• Scottie in the White House — 2003-01-16
• F.D.R.'s Scottie — 2002-06-05
• "___ Speech" (9/23/44 F.D.R. address) — 2000-09-30
• Start of a carol's refrain — 1998-07-24
• F.D.R.'s Scottie — 1997-10-30
• F.D.R.'s pooch — 1997-10-06
• White House Scottie — 1997-07-09
• 40's White House name — 1994-12-22
• F.D.R.'s dog — 1994-07-17