In 1924, the nomination papers of presidential candidate John W. Davis were stolen from the Democratic National Convention, leading to a scandal and a police investigation.

The Daley Riots were a series of violent clashes between anti-war protesters and the Chicago Police Department during the 1968 Democratic National Convention.

In 1964, the Democratic National Convention was disrupted by a floor fight over the seating of delegates from Mississippi, who were accused of discriminating against African American voters.

The DNC Email Leak was a scandal that involved the leaking of secret documents from the Democratic National Committee in 2016, which were published by WikiLeaks.

In 1992, the Republican National Convention was marred by a scandal involving the alleged sexual assault of a delegate by a party official.

The RNC Fundraising Scandal was a scandal that erupted at the 2000 Republican National Convention in Philadelphia, involving allegations of illegal fundraising practices by the Republican National Committee.

In 2008, the Democratic National Convention was disrupted by a floor fight over the seating of delegates from Florida and Michigan, who were penalized for holding their primaries too early.

The Watergate Scandal was a scandal that involved the alleged use of dirty tricks by the Nixon campaign in 1972, which led to the resignation of President Richard Nixon.

In 1980, the Democratic National Convention was marred by a scandal involving the alleged rigging of the nomination process in favor of incumbent President Jimmy Carter.

The DNC Fundraising Scandal was a scandal that erupted at the 1996 Democratic National Convention in Chicago, involving allegations of illegal fundraising practices by the Democratic National Committee.

In 2000, the Democratic National Convention was disrupted by a floor fight over the seating of delegates from Hawaii, who were accused of violating party rules.

The DNC Fundraising Scandal was a scandal that involved the alleged use of illegal campaign contributions by the Clinton campaign in 1996.

In 2004, the Republican National Convention was marred by a scandal involving the alleged sexual harassment of a delegate by a party official.

The RNC Fundraising Scandal was a scandal that erupted at the 2012 Republican National Convention in Tampa, involving allegations of illegal fundraising practices by the Republican National Committee.

In 2016, the Democratic National Convention was disrupted by a floor fight over the seating of delegates from Nevada, who were accused of violating party rules.