WASHINGTON (AP) — The House gave final approval Thursday to legislation protecting same-sex marriages, a monumental step in a decadeslong battle for nationwide recognition that reflects a stark turnaround in societal attitudes.

President Joe Biden has said he will promptly sign the measure, which requires all states to recognize same-sex marriages. It is a relief for hundreds of thousands of couples who have married since the Supreme Court's 2015 decision that legalized those marriages and have worried about what would happen if the ruling were overturned.

In a statement after the vote, Biden...