Historical clue formulations

• Boston skyscraper, with "the" — 2024-06-28
• Moniker for a noted Boston skyscraper, with "the" — 2021-07-31
• Boston skyscraper, with "the" — 2019-06-01
• Aetna rival, informally — 2017-11-17
• Boston skyscraper, with "the" — 2015-12-06
• Boston skyscraper, with "the" — 2015-03-22
• Boston landmark, with "the" — 2015-03-14
• Boston landmark, with "the" — 2012-08-24
• Boston skyscraper nickname, with "the" — 2010-06-05
• Boston skyscraper, informally, with "the" — 2004-05-02