Timeline: Puerto Rico
U.S. Military Government (1898 – 1900)
Following the Spanish-American War, Puerto Rico was placed under direct U.S. military rule. The island was treated as conquered territory.
8 events
U.S. Naval Blockade of Puerto Rico (1898)
During the Spanish-American War, the U.S. Navy imposed a naval blockade on Puerto Rico beginning in May 1898, cutting off the island from food imports, medical supplies, and trade, causing widespread civilian hunger and economic devastation months before the military invasion.
Sources: 3
U.S. Military Invasion of Puerto Rico
On July 25, 1898, U.S. forces invaded Puerto Rico at Guánica during the Spanish-American War, beginning over 125 years of colonial rule that continues to this day.
Sources: 1
U.S. Military Government of Puerto Rico (1898-1900)
After the invasion, the U.S. imposed direct military government over Puerto Rico for two years (1898-1900), during which military commanders governed by decree, suspended civil liberties, and restructured Puerto Rican institutions to serve American interests.
Sources: 2
Destruction of Puerto Rico's Coffee Industry
Before 1898, Puerto Rico was the world's sixth-largest coffee exporter. U.S. colonial policies — including tariff restructuring, Hurricane San Ciriaco (1899), and deliberate promotion of sugar monoculture — destroyed the coffee economy within a generation, devastating the highland communities that depended on it.
Sources: 2
Colonial Currency Devaluation: The 40% Theft (1898-1899)
When the U.S. took control of Puerto Rico in 1898, it forced the conversion of the Puerto Rican peso to U.S. dollars at a rate of 60 cents to the peso — instantly devaluing Puerto Rican savings, wages, and debts by 40% and transferring wealth from Puerto Ricans to American businesses.
Sources: 2
Hurricane San Ciriaco (1899)
Hurricane San Ciriaco struck Puerto Rico on August 8, 1899 — just one year after the U.S. invasion — killing approximately 3,400 people and destroying the coffee economy, while the U.S. military government provided minimal relief, channeling aid toward sugar production instead.
Sources: 2
The Carroll Report: U.S. Assessment of Puerto Rico (1899)
President McKinley sent Henry K. Carroll to Puerto Rico in 1899 to assess the island's conditions and recommend a governance framework. The Carroll Report documented widespread poverty and illiteracy while recommending limited self-government, shaping the Foraker Act of 1900.
Sources: 2
King Sugar: American Corporate Domination (1900-1940)
In the first four decades of U.S. rule, American sugar corporations transformed Puerto Rico into a sugar monoculture, concentrating land ownership, displacing small farmers, and extracting enormous profits to the mainland while leaving workers in poverty.
Sources: 2