United Nations General Assembly Resolution 3379
United Nations General Assembly Resolution 3379, adopted on 10 November 1975, "Determines that Zionism is a form of racism and racial discrimination" with 72 votes in favour, 35 votes against, and 32 abstentions. It was revoked by Resolution 46/86, adopted on 16 December 1991 with 111 votes in favour, 25 votes against, and 13 abstentions.
Source: Wikipedia — United Nations General Assembly Resolution 3379 (CC BY-SA 4.0)