Historical clue formulations

• Blush — 2020-10-17
• Get visibly embarrassed — 2015-11-18
• Betray shame — 2009-02-07
• Blush — 2006-08-17
• Begin to blush — 2002-08-27
• Flush — 2000-05-12
• Blush — 1998-03-14