In October 1975, 90% of women in Iceland took part in a nationwide protest over inequality.
Factories and banks were forced to close and men were left holding the children as 25,000 women took to the streets.
In 2015, Vigdís Finnbogadóttir, later Iceland's first female president, told Kirstie Brewer about the impact of that day.
(Photo: Women take to the streets. Credit: The Icelandic Women's History Archives)