SACRAMENTO, Calif. –  California lawmakers on Tuesday sent the governor a bill that would make the state the first requiring public schools to include the contributions of gays and lesbians in social studies curriculum.

The bill, passed on a party-line vote, adds lesbian, gay, bisexual and transgender people as well as people with disabilities to the list of groups that schools must include in the lessons. It also would prohibit material that reflects adversely on gays.

Democratic Assemblyman Tom Ammiano of San Francisco says SB48 is crucial because of the bullying that happens to gay students. Republicans called it a well-intentioned but ill-conceived bill and raised concerns that it would indoctrinate children to accept homosexuality....