registration records in four Southern "cipher counties", so called because there were no African-American registered voters, despite a large population. The counties affected were Wilcox County, Alabama, Webster County, Georgia, McCormick County, South Carolina and East Carroll Parish, Louisiana. McDonnell's first production Mercury spacecraft, with its escape rocket serving as the propulsion force, was launched from Wallops Island. Designated the beach-abort test, the objectives were a performance evaluation of the escape system, the parachute and landing system, and recovery operations in an off-the-pad abort situation. The test was successful. Born: Tony Gwynn, MLB star outfielder and Baseball Hall of Fame inductee; in Los Angeles (d. 2014) May 10, 1960 (Tuesday) [[File:USS Triton SSRN-586 circumnavigation map 1960.jpg|150px|thumb|right|USS ''Tritons voyage]] The submarine USS Triton completed its circumnavigation of the globe, after an 84-day voyage that followed the route of Ferdinand Magellan's expedition of 1519–1522. John F. Kennedy defeated Hubert Humphrey in the West Virginia primary election, winning the predominantly Protestant state and dispelling doubts about whether Americans would support a Roman Catholic nominee. The win was Senator Kennedy's seventh in the primaries. At the next day, Humphrey conceded defeat, and then said "I am no longer a candidate for the Democratic Presidential nomination", leaving Senator Kennedy unopposed. Nashville became the first major racially segregated city in the United States to desegregate its lunch counters.Born: Bono (stage name for Paul David Hewson), Irish famine relief activist and rock singer for U-2 and as a solo performer; in Dublin Merlene Ottey, Jamaican women's champion, in Hanover, JamaicaDied: Yury Olesha, 61, Russian novelist May 11, 1960 (Wednesday) In Buenos Aires, four Mossad agents abducted fugitive Nazi Adolf Eichmann a/k/a "Ricardo Klement", shortly after he got off of a bus near his home at Eichmann, mastermind of the Jewish Holocaust in Germany, would be held captive for ten days until he could be flown to Israel. At a press conference, President Eisenhower of the United States accepted full responsibility for the U-2 incident, and said that spying on the Soviet Union was justified. "No one wants another Pearl Harbor", he said, adding "In most of the world, no large-scale attack could be prepared in secret, but in the Soviet Union there is a fetish of secrecy, and concealment." The passenger liner was launched at Saint-Nazaire by Madame Yvonne de Gaulle, wife of the French president.Died: John D. Rockefeller, Jr., 86, American philanthropist who gave away $475,000,000