Historical clue formulations

• Announcement upon a late arrival — 2022-05-24
• Words from a new arrival — 2020-03-10
• "Yoo-hoo!" — 2019-08-28
• "Yoo-hoo!" — 2019-04-21
• Announcement upon a grand arrival — 2017-12-17
• Cry from a hand-waver in a crowd — 2015-10-10
• Cry upon arriving — 2007-10-26
• "Yoo-hoo!" — 2004-12-28
• Words before "signed, sealed, delivered" in a Stevie Wonder hit — 1997-04-11