History of the Jews in Puerto Rico Very few American Jews settled in Puerto Rico after it was ceded by Spain to the United States under the terms of the 1898 Treaty of Paris, which ended the Spanish–American War. The first large group of Jews to settle in Puerto Rico were refugees fleeing German–occupied Europe in the 1930s and 1940s. The second influx came in the 1950s, when thousands of Cuban Jews (most of Eastern-European descent) fled after Fidel Castro came to power. The majority immigrated to Miami, Florida, but a sizable portion chose to establish and integrate themselves on the neighboring island because of Puerto Rico's
History of the Jews in Puerto Rico until his death in 1959. In 1952, Puerto Rico achieved U.S. commonwealth status and officially became the Commonwealth of Puerto Rico (Spanish: "Estado Libre Asociado de Puerto Rico"). That same year a handful of American Jews established the island's first synagogue in the former residence of William Korber, a wealthy Puerto Rican of German descent, which was designed and built by Czech architect Antonin Nechodoma. The synagogue, called Sha'are Zedeck, hired its first rabbi in 1954. After the success of the Cuban Revolution, led by Fidel Castro in 1959, almost all of Cuba's 15,000 Jews went into exile. The majority