Historical clue formulations

• Anthem opening — 2020-12-13
• Start of "The Star-Spangled Banner" — 2019-04-16
• Start of "The Star-Spangled Banner" — 2019-01-21
• Anthem starter — 2019-01-10
• Start of "The Star-Spangled Banner" — 2018-03-12
• "The Star-Spangled Banner" opening — 2015-02-10
• Key opening? — 2013-04-03
• "The Star-Spangled Banner" opener — 2012-11-12
• "___ can you see ...?" — 2010-11-29
• Start of a song that ends with "brave" — 2009-10-23
• "The Star-Spangled Banner" start — 2008-11-25
• Anthem starter — 2007-06-13
• Anthem starter — 2007-05-20
• Anthem opener — 2006-12-27
• Key opening? — 2004-12-25
• Anthem opening — 2003-10-22
• Anthem opener — 2002-12-06
• Key start? — 2001-11-25
• "___ can you see ..." — 2001-06-11
• Anthem starter — 2001-05-30
• Opening words at a ball game? — 1999-07-15
• National anthem start — 1996-05-14