Historical clue formulations

• "Wow, look at the time! I should really be going" — 2020-09-30
• "We should get going" — 2016-05-06
• 1959 top 10 hit for Ricky Nelson — 2010-08-17
• Lead-in to "I really should get going" — 2008-08-23
• 1959 Ricky Nelson hit — 2006-03-05
• 1959 Ricky Nelson hit — 2003-04-05
• 1959 Ricky Nelson hit — 1996-10-09