Valentine's Day: origin, date February 14... Everything you need to know about the lovers' day.

“It is a well-attested tradition since the 14th century in England and the 15th Century in France,” relates the historian Jean-Claude Bologne. Valentine's Day has become "an international fashion for around fifty years", and "a commercial celebration", concludes the historian. For some, this Wednesday February 14 will be synonymous with football, with the PSG match in the Champions League.