if anyone who happened to hold a rally there was a nazi, than how about these?
1939 Nazi Rally: On February 20, 1939, the German American Bund organized a Nazi rally at Madison Square Garden, attended by over 20,000 people, with Fritz Julius Kuhn as a featured speaker.
1943 Civil Rights Rally: On June 7, 1943, former Republican Party presidential candidate Wendell Willkie led a rally of 20,000 African Americans at Madison Square Garden, calling for equal rights and victory in World War II.
1944 Communist Party Rally: On January 10, 1944, the Daily Worker, the newspaper of the Communist Party USA, held an event at Madison Square Garden to mark its 20th anniversary.
1992 Democratic National Convention: Although not exclusively a rally, the 1992 Democratic National Convention was held at Madison Square Garden, featuring speeches and events for Democratic presidential nominee Bill Clinton.
2004 Republican National Convention: On September 2, 2004, President George W. Bush addressed the Republican National Convention at Madison Square Garden.
2015 Papal Mass: On September 25, 2015, Pope Francis celebrated a Catholic Mass at Madison Square Garden during his first visit to New York City and the United States as Pontiff.
2017 Phish Residency: From July 21 to August 6, 2017, Phish performed a 13-night residency at Madison Square Garden, titled “The Baker’s Dozen,” featuring 237 unique songs played over 26 sets.