Chronology of nominations

Though 24 states will hold contests today to choose nominees from the Democratic and Republican parties for the November US presidential election, no candidate is likely to clinch the nomination for weeks - or months - afterwards.

The following are the dates in previous presidential election years when candidates secured the nomination:

l In 2004, Massachusetts senator John Kerry secured the Democratic nomination on March 2. Incumbent Republican President George W Bush faced no rival within his party.

l In 2000, Bush clinched the Republican nomination on March 14. Vice-President Al Gore also secured the Democratic nomination on the same day.

l In 1996, Kansas senator Bob Dole secured the Republican nomination on March 19. Incumbent President Bill Clinton faced no opponent for the Democratic nomination.

l In 1992, Clinton secured the Democratic nomination on June 2. Bush secured the Republican nomination on April 28.

l In 1988, Bush secured the Republican nomination on April 26. Massachusetts governor Michael Dukakis secured the Democratic nomination on June 7. - Reuters

X