Saka Nankana Sahib was one of the most powerful turning point in the history of Sikhs after the fall of the Sikh Empire. Despite the evil designs of the then British government the Sikhs never gave up and got control of Nanakana Sahib. We remember the supreme sacrifice of the matrys of Saka Nankana Sahib.
https://www.allaboutsikhs.com/sikh-history/historical-events/historical-sikh-events-saka-nankana-sahib/