The Young Lords began in 1960 as a Puerto Rican turf gang in the Lincoln Park neighborhood of Chicago. Their president Jose Cha Cha Jimenez reorganized them on Grito de Lares, September 23, 1968 and became founder of the Young Lords as a national civil and human rights movement. This new community wide movement, then networked to nearly 30 other cities including three branches in New York City. These groups were united into one by Chicago's national offices because of the importance of building a strong united national organization for Puerto Rican self determination. NYC was the port of entry for most immigrants, and this included more than 90% of Puerto Ricans.
The Young Lords, later Young Lords Organization and, in New York (notably Spanish Harlem), Young Lords Party, was a Puerto Rican leftist group in several United States cities, notably New York City, and in Lincoln Park, Chicago, the Neighborhood in which they were born.
i know - https://en.wikipedia.org/wiki/Young_Lords