Hilary Clinton and Barack Obama are the Democrat frontrunners [File: EPA]
All the key dates in the 2008 US elections.
January 3: Iowa caucuses.
January 5: Wyoming Republican caucus.
January 8: New Hampshire primaries.
January 15: Michigan primaries.
January 19: Nevada caucuses; South Carolina Republican primary.
January 26: South Carolina Democratic primary
January 29: Florida primaries.
February 2: Maine Republican caucus
February 5: 'Super Tuesday'
Primaries: Alabama, Arizona, Arkansas, California, Connecticut, Delaware, Georgia, Illinois, Massachusetts, Missouri, New Jersey, New York, Oklahoma, Tennessee, Utah.
Caucuses: Alaska, Colorado, Minnesota, North Dakota.
Democratic caucuses: Idaho, Kansas, New Mexico.
Republican primaries: West Virginia, Montana.
Democratic caucuses: Nebraska.
Republican caucuses: Kansas.
February 10: Maine democratic caucus.
February 12: Maryland and Virginia primaries.
February 19: Hawaii Democratic caucus, Washington and Wisconsin primaries.
March 4: Ohio, Rhode Island, Texas, Vermont primaries.
March 8: Wyoming Democratic caucus.
March 11: Mississippi primaries.
April 22: Pennsylvania primaries.
May: Hawaii Republican caucus
May 6: Indiana and North Carolina primaries.
May 13: Nebraska and West Virginia primaries.
May 20: Kentucky and Oregon primaries.
May 27: Idaho primaries.
June 3: Montana, New Mexico and South Dakota primaries.
August 25-28: Democratic national convention, Denver, Colorado.
September 1-4: Republican national convention, Minneapolis-St Paul, Minneapolis.
November 4: US presidential election.