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Guru Gobind Singh. In 1699, he called all Sikhs together and formalized a standard identity. He gave Sikhs five articles of faith, including kesh (uncut hair), meant for women and men equally. Men traditionally wrapped their long hair in turbans. Some women wear turbans too, but most simply cover their heads with headscarves when praying. Guru Gobind Singh requested all Sikhs to drop their surnames (a marker of social status), and instead, embrace a shared surname: all women adopted the last name "Kaur" and men took the last name "Singh."