Bell System broken up (Jan. 1). France gets first deliveries of Soviet natural gas (Jan. 1). Syria frees captured U.S. Navy pilot, Lieut. Robert C. Goodman, Jr. (Jan. 3). U.S. and Vatican exchange diplomats after 116-year hiatus (Jan. 10). Reagan orders U.S. Marines withdrawn from Beirut international peacekeeping force (Feb. 7).Yuri V. Andropov dies at 69; Konstantin U. Chernenko, 72, named Soviet Union leader (Feb. 9). Italy and Vatican agree to end Roman Catholicism as state religion (Feb. 18). Reagan ends U.S. role in Beirut by relieving Sixth Fleet from peacekeeping force (March 30). Congress rebukes President Reagan on use of federal funds for mining Nicaraguan harbors (April 10). Soviet Union withdraws from summer Olympic games in U.S., and other bloc nations follow (May 7et seq.). José Napoleón Duarte, moderate, elected president of El Salvador (May 11). Three hundred slain as Indian Army occupies Sikh Golden Temple in Amritsar (June 6). Thirty-ninth Democratic National Convention, in San Francisco, nominates Walter F. Mondale and Geraldine A. Ferraro (July 16–19). Thirty-third Republican National Convention, at Dallas, renominates President Reagan and Vice President Bush (Aug. 20–25).Brian Mulroney and Conservative party win Canadian election in landslide (Sept. 4). Indian prime minister Indira Gandhi assassinated by two Sikh bodyguards; 1,000 killed in anti-Sikh riots; son Rajiv succeeds her (Oct. 31). President Reagan re-elected in landslide with 59% of vote (Nov. 6). Toxic gas leaks from Union Carbide plant in Bhopal, India, killing 2,000 and injuring 150,000 (Dec. 3).