Historical clue formulations

• Citrus fruit with a portmanteau name — 2020-10-25
• Portmanteau fruit — 2020-02-06
• Perfect child — 2019-05-09
• Juicy fruit — 2010-09-25
• Citrus tree — 2008-05-10
• Citrus fruit — 2006-10-03
• Fruit created circa 1904 — 1994-01-20