Historical clue formulations

• Pop star whose name is stylized with an exclamation point in place of its second letter — 2022-04-20
• Salmon, e.g. — 2022-03-09
• Like breast cancer awareness ribbons — 2019-09-15
• Rosy — 2014-07-29
• "Get the Party Started" singer — 2013-09-17
• Flamingo's color — 2013-07-15
• Birth announcement color — 2013-03-20
• It can be shocking — 2013-01-20
• Medium-rare steak color — 2010-05-11
• Color for baby girls, traditionally — 2009-04-20
• Like the sky at dawn or sunset — 2008-08-25
• Baby girls may be dressed in it — 2003-12-08
• "___ Cadillac" (1988 hit) — 2003-09-23
• Flamingo color — 2001-03-20
• Hot ___ — 2001-01-27
• This is sometimes shocking — 1997-08-02
• Nursery color — 1994-01-02