Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. How Past Contested Elections Have Changed American Democracy Dora Mekouar President Donald Trump isnotthe first candidate to contest the results of a U.S. presidential election. Allegations of voter fraud swirledaround the 1960 contest between Democrat John F. Kennedy and Republican Richard Nixon. Republicans suspectedthat Chicago Mayor Richard Daley fraudulently delivered just enough votes to give Kennedy the state of Illinois and the presidency. But Nixon ultimately declined to pursue the matter. "There's some evidence to suggest again that Nixon didn't want to make things that divisive," saysAlexander Cohen, assistant professor of political science at Clarkson University in Potsdam, New York. Modernized voting systems Contested elections in America's past have had varying degrees of impact -- from minimal to devastating. In the modern era,thehotly contested2000 election led to updated voting systems. The outcome of the contest between Republican George W. Bush and Democrat Al Gore came down to Florida and, ultimately, the U.S. Supreme Court. .