The event known for the establishment of the first Women's Rights Convention is the Seneca Falls Convention, held in 1848 in Seneca Falls, New York. Organized by prominent figures such as Elizabeth Cady Stanton and Lucretia Mott, the convention aimed to address the inequalities faced by women, particularly in voting rights and societal roles. Attendees discussed the conditions of women and drafted the Declaration of Sentiments, which outlined grievances and demands for equal rights. The convention marked a pivotal moment in the women's suffrage movement, inspiring future activism and contributing significantly to the ongoing struggle for gender equality in the United States and beyond.