May 29
Cuban–American Treaty of Relations is signed by the United States of America and the Republic of Cuba.
Cuba and US sign a perpetual lease of the Guantanamo Naval Base for about $4000 per year.
The naval base remains in US hands and the US continues to pay an annual rent although Cuba reportedly does not cash the checks.
United States abandons its right to intervene in Cuba.
New Treaty Ratified
June 9
Cuban–American Treaty of Relations Act is ratified and proclaimed by US President Franklin D. Roosevelt.1