Historical clue formulations

• Día de San Valentín gifts — 2021-05-30
• Purchases on 14 de febrero — 2020-12-20
• Valentine's Day flowers, in Spain — 2016-07-12
• Día de San Valentín bouquet — 2014-06-13
• Día de San Valentín flowers — 2014-04-27
• Some Spanish flowers — 2012-04-24
• Latin lover's bouquet, maybe — 2010-11-25
• Parks and others — 2006-01-19
• Artist Bonheur and others — 1997-01-13
• Ponselle and Parks — 1996-06-06