I may have misspoke. But he gave a speech at their 50th annual meeting
https://www.jfklibrary.org/asset-viewer/archives/jfkwha-161-004
Let me keep looking though I swear they gave him an award
Discussion
John F. Kennedy was awarded the "America’s democratic legacy award" by the Anti-Defamation League (ADL) for his efforts in promoting civil rights and constitutional freedoms for all Americans during their 50th annual meeting.
Yup. It was here.