The Anti-Defamation League (ADL) is a non-profit organization founded in 1913 with the mission of combating anti-Semitism and other forms of hate, discrimination, and extremism. It operates through education, advocacy, and litigation, working to promote justice and fair treatment for all. The ADL generates funding through donations, grants, and partnerships, which support its programs like anti-bias education, hate crime tracking, and policy advocacy. Historically significant, the ADL has played a key role in civil rights movements and continues to be a leading voice against hate globally.