K-8 school classrooms in the American state of California will now have LGBT-inclusive history books as part of their curriculum.

The California state board of education has approved the inclusion of ten LGBT-inclusive textbooks under California’s 2011 Fair Education Act. The legislation was written by long time Senator Mark Leno and makes California the first state in America to officially recognize LGBT history in schools.

The legislation requires, specifically, for the history and social sciences curriculum to recognize the accomplishments of LGBT people and people with disabilities.

The executive director of Equality California, Rick Zbur, praised the adoption of the books. “This long fought victory is the next step for California students to learn about the contributions and history of LGBTQ people,” said Zbur.

“Approval of these textbooks means that California schools will now have access to approved materials that accurately represent LGBTQ people, and Equality California applauds the State Board of Education for this historic decision.”