During the Spanish-American War, U.S. armed forces under the command of General Nelson A. Miles invaded Puerto Rico on July 25, 1898, and took possession of the Island.

The modern history of Puerto Rican migration to Florida dates to the late 19th century.

During the first half of the 20th century, the literary production of the Puerto Rican population in the United States, which lived mainly in New York City in those decades, was quite limited.

On April 25, 1898, the United States declared war on Spain, which began the expansion of the country beyond North America.