Galentine's Day was originally introduced by the fictional character Leslie Knope, played by Amy Poehler, in a “Parks and Recreation” episode airing in 2010. The “holiday” eventually made its way into the real world, and has become increasingly popular with time.

Galentine's Day celebrates women's friendship and is usually held on 13 February, one day before Valentine's Day. It is a chance for single and taken friends - typically, but not always, female - to come together to embrace womanhood by sending fond messages, meeting and exchanging gifts.