More Notable Events on March 29: 1994 Serbs and Croats signed a cease-fire to end the war in Croatia 1989 I. M. Pei's pyramidal entrance to the Louvre opens in Paris 1989 Michael Milken, junk bond king, indicted in New York for racketeering 1961 After a 4 year trial Nelson Mandela is acquitted on treason charge 1867 Congress approves Lincoln Memorial