Queer history is an academic field and methodological approach that critically examines and reconstructs the past experiences, identities, communities, and cultural productions of individuals and groups whose genders and sexualities diverge from dominant heteronormative and cisnormative norms. It employs diverse sources and interpretive strategies to challenge conventional historical narratives, periodizations, and archival practices that have historically marginalized or erased non-normative sexualities and genders. The field's significance lies in recovering previously obscured histories, revealing the constructed nature of sexual and gender categories, and offering alternative perspectives on social, cultural, and political developments.