Historical clue formulations

• They touch people's funny bones — 2020-03-20
• Some arm bones — 2018-04-22
• Upper armbones — 2007-07-12
• Arm bones — 2004-08-29
• Skeletal pair — 2003-04-18
• Ulnae neighbors — 2003-02-02
• Arm bones — 2000-04-13