Historical clue formulations

• Triangular bones that fuse in adulthood — 2025-06-07
• Triangular bones — 2024-06-28
• Lower back bones — 2022-10-23
• Parts of pelvises — 2019-05-11
• Triangular body parts — 2017-11-25
• Via ___ (main street of ancient Rome) — 2013-12-25
• Via ___ (main street in ancient Rome) — 2013-06-20
• Vertebral column parts — 2012-12-22
• Pelvic bones — 2004-09-23
• Certain vertebrae — 1998-03-01
• Pelvic bones — 1997-07-13