Conversation so far:
What are some of José Martí's most significant works?
Jose Marti's newspaper Patria was an important instrument in his campaign for Cuban independence. Versos Sencillos was adapted to the song Guantanamera, which has become the definitive patriotic song of Cuba.
How did José Martí contribute to Cuban independence?
Jose Marti's unification of the Cuban émigré community, particularly in Florida, was crucial to the success of the Cuban War of Independence against Spain.

Question: Is he remembered for any contributions outside of Cuba?
Self-contained rewrite: Is José Martí remembered for any contributions outside of Cuba?