Historical clue formulations

• Catchy 1950s slogan — 2020-11-22
• Successful presidential slogan of old — 2019-01-13
• Catchy 1952 slogan — 2018-12-07
• Motto of a 1950s grass-roots movement — 2008-05-17
• 1950's political slogan — 2007-02-09
• Slogan of '56 — 2001-12-01
• Bygone political slogan — 1996-06-21