Eisenhower reacted by supporting two expensive plans that went against his usual cost-cutting beliefs: a program to catch up with the Soviets in space technology, and a federal assistance program to support science education. Soon America’s space program enjoyed its first success; on January 31, 1958, the US satellite Explorer I was placed into orbit. Ike left office in January 1961, the first president required by the 22nd Amendment to leave office after two terms. Although his administration had been heavily criticized, Ike was still very popular with the American people. When he left office, Congress restored him to his rank of general in the army. He retired to his farm in Gettysburg, Pennsylvania. There he devoted himself to raising cattle and writing his memoirs – of which there were three. After suffering a series of heart attacks, Eisenhower died of heart failure on March 28, 1969. He was buried in Abilene, Kansas. A library housing his papers was opened a short time later there.