Women's rights have varied throughout history and between different cultures and locations. In ancient Greece and Rome, women had some property rights but were largely subordinate to men in political and social spheres. During the Middle Ages and 16th century, women gained some additional rights in certain places like the ability to own land, but were still largely excluded from politics. The 18th and 19th centuries saw the emergence of women's rights as a political issue, with thinkers like Mary Wollstonecraft arguing for equal rights to education and participation. The first women's rights convention was held in 1848, and movements continued gaining momentum through the late 19th/early 20th centuries. By the 1960s, second-wave feminism advocated for equal pay