1991 World History Boris Yeltsin (1931–2007) Imapress/Archive Photos 1991 U.S. and Allies at war with Iraq(Jan. 15). Warsaw Pactdissolves military alliance(Feb. 25).Cease-fire ends Persian Gulf War; UN forces are victorious(April 3).Europeans end sanctions on South Africa(April 15).Supreme Court limits death row appeals(April 16).Winnie Mandela sentenced in kidnapping(May 13).William H. Webster retires as director of CIA; Robert H. Gates succeeds him(May 14).France agrees to sign 1968 treaty banning spread of atomic weapons(June 3).Communist government of Albaniaresigns(June 4). Jiang Qing, widow of Mao, commits suicide(June 4).South African Parliament repeals apartheidlaws(June 5).Warsaw Pact dissolved(July 1).Boris N. Yeltsininaugurated as first freely elected president of Russian Republic(July 10).Bush-Gorbachev summit negotiates strategic arms reduction treaty(July 31).China accepts nuclear nonproliferation treaty(Aug. 10). Lithuania, Estonia, and Latviawin independence(Aug. 25);Bush recognizes them(Sept. 2).Haitian troops seize president in uprising(Sept. 30).U.S. suspends assistance to Haiti(Oct. 1).Professor Anita Hill accuses Judge Clarence Thomasof sexual harassment(Oct. 6);Senate, 52–48, confirms Thomas for Supreme Court after stormy hearings(Oct. 15). Israeland Soviet Union resume relations after 24 years(Oct. 18).U.S. indicts two Libyans in 1988 bombing of Pan Am Flight 103 over Lockerbie, Scotland(Nov. 15).Anglican envoy Terry Waite and U.S. Prof. Thomas M. Sutherland freed by Lebanese(Nov. 18).Last three U.S. hostages freed in Lebanon(Dec. 2–4). Soviet Unionbreaks up after President Gorbachev's resignation; constituent republics form Commonwealth of Independent States(Dec. 25).