Historical clue formulations

• Colonnade sight — 2022-01-01
• Support column — 2021-08-11
• Monumental support — 2017-11-05
• Important member of a group — 2015-12-03
• Notable one in a community — 2014-06-17
• Part of a support group — 2011-03-20
• Supporting structure — 2006-11-12
• Society stalwart — 2002-05-29
• Column — 2001-04-15
• Parthenon feature — 1995-03-27