History of women in Puerto Rico
Puerto Rico has participated in the Olympics, since the 1948 Summer Olympics, which were celebrated in London, as an independent nation. However, since Puerto Ricans have American citizenship, Puerto Rican athletes have the option of representing Puerto Rico or moving to the United States where after living there for 3 years or more they can represent that country in the games. Some Puerto Ricans, such as Gigi Fernández in tennis, have won gold medals for the U.S. Also, women who are of Puerto Rican heritage are considered by the Government of Puerto Rico to be "Puerto Rican Citizens". Since 2007, the Government of Puerto Rico has been issuing "Certificates of Puerto Rican Citizenship" to anyone born in Puerto Rico or to anyone born outside of Puerto Rico with at least one parent who was born in Puerto Rico.
List of Puerto Ricans missing in action in the Vietnam War
Puerto Rico was officially ceded to the United States from Spain under the terms of the 1898 Treaty of Paris which concluded the Spanish–American War. It is a United States territory and upon the outbreak of World War I, the U.S. Congress approved the Jones–Shafroth Act, which granted Puerto Ricans citizenship. As a result, Puerto Ricans have participated in every war involving the United States from World War I onward.