Historical clue formulations

• Fish typically preserved in olive oil — 2017-09-22
• Fish said to be named for a Mediterranean island — 2016-03-16
• Rush-hour subway rider, figuratively — 2015-09-18
• One in a tight spot? — 2015-01-25
• Rush-hour subway rider, facetiously — 2014-08-31
• Rush-hour subway rider, metaphorically — 2013-10-23
• Subway rider during rush hour, metaphorically — 2009-06-05
• Fish in a can — 2000-03-28
• One who's squeezed in — 1994-08-05