International Women's Collaboration Brew Day

[1] The event gathers women brewers around the world who brew a beer around that year's theme.

[3] From 2025, the event is organised by Women On Tap CIC, marking its return after a year hiatus with the theme UNITE SOCIETY.

Commercial breweries are encouraged to commit to a minimum £100 donation to a non-profit women's organisation or group.

[5] The idea for the IWCBD came from Project Venus member, Sophie de Ronde, who reached out to the Pink Boots Society in 2013 to start a "unified brew day.

[6][9] In South Africa, Apiwe Nxusani-Mawela, helped organize the first IWCBD event in Johannesburg.