Historical clue formulations

• ___ Bay (place mentioned in "(Sittin' On) The Dock of the Bay") — 2020-12-25
• West Coast locale mentioned in "(Sittin' On) The Dock of the Bay" — 2017-08-19
• So-called Baghdad by the Bay — 2015-03-15
• '67 Summer of Love locale — 2009-01-24
• California city on a bay, slangily — 2007-07-16
• California city, informally — 2001-08-26