answers: 1898
context: name is listed among the 2,338 Americans killed or mortally wounded on December 7, 1941, in the Remembrance Exhibit in the back lawn of the USS Arizona Memorial Visitor Center at Pearl Harbor. However, on December 8, 1941, when Japanese planes attacked the U.S. military installations in the Philippines, Col. Virgilio N. Cordero was the Battalion Commander of the 31st Infantry Regiment, The 31st Infantry covered the withdrawal of American and Philippine forces to the Bataan Peninsula and fought for four months, despite the fact that no help could come in from the outside after much of the United States </s> Capture of Guam The Capture of Guam was a bloodless event between the United States and the Kingdom of Spain during the Spanish–American War. The U.S. Navy sent a single cruiser, , to capture the island of Guam, then under Spanish control. However, the Spanish garrison on the island had no knowledge of the war and no real defenses. They surrendered without resistance and the island passed into American control. The event was the only conflict of the Spanish–American War on Guam. Guam had been under Spanish control since 1668. By the time of the war, however, Guam had been </s> commercial commodity which the United States lacked: sugar. On February 15, 1898 the USS Maine exploded and sunk in Havana Harbor, Cuba. According to the Navy's leading weapons expert, Philip Alger, the explosion was due to a coal fire igniting a reserve magazine of six tons of gunpowder, much of which was already degrading due to the humid climate. However, the United States forwarded an ultimatum to Spain to withdraw from Cuba following the sinking of the "Maine". In response, Spain broke off diplomatic relations with the United States, and on April 23, 1898 Spain declared war. On April 25,
question: when did the united states annexed puerto rico