Historical clue formulations

• Bootleg seller — 2017-11-25
• Onetime Chicago Outfit establishment — 2017-04-07
• Password requirer, maybe — 2014-06-06
• Illicit Prohibition-era establishment — 2013-12-09
• It may be password-protected — 2007-01-26
• "Blind tiger" — 1996-10-11
• Prohibition oasis? — 1994-09-26
• Prohibition establishment — 1994-04-11