Historical clue formulations

• P's and q's typer — 2020-01-10
• Small digit — 2006-07-12
• Little finger — 2005-08-29
• Small digit — 2004-02-03
• Part of a digital display — 2001-05-04
• Site of a small nail — 1999-07-30
• Finger that curls — 1998-12-01
• Kind of ring — 1994-05-13