Years in politics: 2002-2003-2004-2005-2006 - list of years in politics
- January 1- Adnan Pachachi becomes president of the Iraq Interim Governing Council and will serve for the duration of the month.
- January 1- Joseph Deiss takes office as President of the Confederation in Switzerland, Samuel Schmid as vice-president.
- January 4- Texas Congressman Ralph Hall switches to the Republicans. Hall had been a Democrat.
- January 4- Mikhail Saakashvili is elected as President of Georgia.
- January 6- 2000 Democratic Presidential Candidate Bill Bradley endorses fellow Democrat Howard Dean for President.
- January 8- Gavin Newsom is sworn in as Mayor of San Francisco.
- January 8- Roosevelt Skerrit is sworn in as Prime Minister of Dominica following the death of Pierre Charles on January 6.
- January 12- Kathleen Babineaux Blanco is sworn in as Governor of Louisiana.
- January 13- Haley Barbour is sworn in as Governor of Mississippi.
- January 13- Howard Dean wins a non-binding primary in Washington, DC with 43% of the vote. Al Sharpton comes in second with 34% of the vote.
- January 13- Former Treasury Secretary Paul O'Neill contributes to a book that claims that George W. Bush wanted to attack Iraq since January 2001 and not after the September 11th terrorist attacks as had been believed.
- January 13- The President of Northern Cyprus approves a new cabinet headed by Mehmet Ali Talat.
- January 14- Óscar Berger Perdomo is inaugurated as President of Guatemala. Eduardo Stein Barillas becomes vice president and Jorge Briz Abularach becomes foreign minister.
- January 14- Madan Lal Khurana is sworn in as governor of Rajasthan.
- January 14- Nikolay Shaklein is sworn in as governor of Kirov.
- January 15- Carol Moseley Braun drops out of the 2004 Presidential race and endorses Howard Dean.
- January 16- Ban Ki Moon is named foreign minister of South Korea.
- January 19- The Iowa Caucuses are held. John Kerry wins with 38%. John Edwards comes second with 32%. Howard Dean comes in third with 18%. Richard A. "Dick" Gephardt comes in fourth with 11%.
- January 20- Richard Gephardt quits the 2004 Presidential race after a poor showing in the Iowa Caucuses.
- January 20- Bill Janklow's resignation from Congress takes effect. Janklow had been convicted of a felony in December 2003.
- January 25- Mikhail Saakashvili is sworn in as President of Georgia.
- January 27- John Kerry wins the New Hampshire Primary with 38% of the vote. Howard Dean gets 26% of the vote.
- January 27 - Don Brash Speech Orewa Rotary Club on Nationhood against Maori racial separatism in New Zealand
- February 1- Jörg Schild becomes president of the government of Basel-Stadt.
- February 3-John Edwards wins a primary in South Carolina with 46% of the vote. Wesley Clark wins the Oklahoma primary with 30% of the vote. John Kerry wins primaries and caucuses in Arizona with 43% of the vote, Delaware with 50% of the vote, Missouri with 51% of the vote, New Mexico with 42% of the vote, and North Dakota with 50% of the vote.
- February 3- Joe Lieberman quits the Presidential race after poor results in primaries and caucuses in South Carolina, Oklahoma, Arizona, Delaware, Missouri, North Dakota, and New Mexico.
- February 3- Jóannes Eidesgaard becomes prime minister of the Faroe Islands.
- February 4- Andrei Stratan is appointed foreign minister of Moldova.
- February 4- Dragan Marsicanin becomes acting president of Serbia.
- February 6- Richard Gephardt endorses John Kerry for President.
- February 7- John Kerry wins a primary in Michigan with 52% of the vote. Kerry also wins the Washington primary with 49% of the vote.
- February 7 - Peter Beattie (of the Australian Labor Party) wins a 3rd term as Premier of Queensland, again winning over two-thirds of the seats.
- February 8- John Kerry wins the Maine Caucuses with 45% of the vote.
- February 10- John Kerry wins primaries in Tennessee and Virginia with 41% and 52% of the vote, respectfully.
- February 11- Wesley Clark quits the quits the Presidential race after poor results in the Virginia and Tennessee primaries.
- February 13- Wesley Clark endorses John Kerry.
- February 13- Jesús Pérez is sworn in as foreign minister of Venezuela.
- February 13- Tassos Giannitsis is sworn in as caretaker foreign minister of Greece.
- February 14- John Kerry wins a caucus in Washington, DC with 47% of the vote. Kerry wins the Nevada caucus with 63% of state party delegates.
- February 17- Democrat Ben Chandler defeats Republican Alice Forgy Kerr in a Congressional special election in Kentucky with 55% of the vote compared to Forgy Kerr's 43%.
- February 17- John Kerry wins 40% of the vote in the Wisconsin primary.
- February 17- Luisa Diogo is named prime minister of Mozambique.
- February 18- Howard Dean quits the Presidential race after a poor showing in Wisconsin.
- February 18- Jacques Simonet is sworn in as minister-president of Brussels-Capital.
- February 21- Ralph Nader enters the Presidential race as an Independent.
- February 23- Paul Lennon becomes acting premier of Tasmania.
- February 23- Mamady Condé is named foreign minister of Guinea.
- February 23- Josep Bargalló Valls takes office as chief councillor of Catalonia.
- February 24- Viktor Khristenko is named acting prime minister of Russia.
- February 26- Ljupco Jordanovski becomes acting president of Macedonia.
- February 28- Sulejman Tihic becomes chairman of the Presidency of Bosnia and Herzegovina.
- February 29- Boniface Alexandre is sworn in as provisional president of Haiti.
- March 2 - "Super Tuesday" U.S. presidential primaries or caucuses take place in California, Connecticut, Georgia, Maryland, Massachusetts, Minnesota, New York, Ohio, Rhode Island and Vermont. John Kerry wins in 9 states, and a dejected John Edwards quits the race.
- March 3- New Government of Serbia was formed with support of Milosevics SPS party
- March 4 - The national parliament and all state assemblies of Malaysia, except Sarawak's were dissolved by the Prime Minister, paving the way for the general election.
- March 4- Predrag Markovic becomes acting President of Serbia.
- March 5- Mikhail Fradkov is confirmed as Prime Minister of Russia.
- March 7- Kostas Karamanlis is given the mandate to form a new government in Greece.
- March 9- Sergey Lavrov is appointed Foreign Minister of Russia.
- March 9- Petros Molyviatis becomes Foreign Minister of Greece.
- March 9- The Parliament of Latvia approves a new government headed by Indulis Emsis, Rihards Piks becomes foreign minister.
- March 11- Salomé Zurabishvili is appointed as foreign minister of the Republic of Georgia.
- March 12- Oleg Chirkunov becomes new acting governor of Perm.
- March 12- Gérard Latortue is sworn in as Prime Minister of Haiti.
- March 13 - Nomination day for the Malaysian general election. Barisan Nasional wins 15 parliamentary seats and 7 state assembly seats uncontested. The Islamic Party of Malaysia settles for one seat in the state of Johor.
- March 16 - Sergey Abaramov is appointed as Prime Minister of Chechnya.
- March 21 - The National Front scores a landslide victory in the Malaysian general election.
- March 23 - Lawrence Gonzi is sworn in as Prime Minister of Malta. John Dalli becomes foreign minister.
- March 24 - Baldwin Spencer is sworn in as Prime Minister of Antigua and Barbuda. Harold Lovell becomes Foreign Minister.
- March 25 - Datuk Idris Jusoh is sworn in as chief minister of Terengganu.
- March 31 - Michel Barnier becomes foreign minister of France.
- April 1 - Paolo Bollini and Marino Riccardi take office as Captains Regent of San Marino.
- April 1- Massoud Barzani becomes President of the governing council of Iraq.
- April 1- Roland Brogli becomes Landammann of Aargau.
- April 4- Camille de Rocca-Serra is elected as president of the Corsican Assembly.
- April 5- Mahinda Rajapakse is appointed as Prime Minister of Sri Lanka.
- April 6- Arturas Paulauskas becomes acting President of Lithuania.
- April 6- Gabriele Gendotti becomes president of the Council of State of Ticino.
- April 7- José Luis Rodríguez Zapatero is asked to form the new government of Spain.
- April 10- Chen Tang-shan is named foreign minister of the Republic of China.
- April 12- Georgy Shpak takes office as governor of Ryazan.
- April 14- Nikolay Kiselyov is sworn in as governor of Arkhangelsk. Mikhail Yevdokimov is sworn in as governor of Altay.
- April 14- James Michel is sworn in as President of Seychelles.
- April 14- S'bu Ndebele is sworn in as Premier of KwaZulu-Natal.
- April 17- José María Barreda Fontes assumes the Presidency of the Junta of Castilla-La Mancha.
- April 18- Ángel Moratinos becomes foreign minister of Spain.
- April 21- Macky Sall is appointed as Prime Minister of Senegal.
- April 22- Catherine Mabuza becomes acting premier of Limpopo.
- April 23- Leonard Ramatlakane is sworn in as acting premier of Western Cape.
- April 23- Sergey Gaplikov becomes acting Prime Minister of Chuvashia.
- April 26- Sello Moloto is sworn in as premier of Limpopo. Ebrahim Rasool is elected premier of Western Cape.
- April 28- Gabi Burgstaller is sworn in as Landeshauptfrau of Salzburg.
- April 29- Ousmane Issoufi Maďga is appointed Prime Minister of Mali.
- May 1- Laurie Morgan is elected chief minister of Guernsey.
- May 1- Ezzedine Salim becomes president of the governing council of Iraq.
- May 1- Jean-René Fournier takes office as president of the Council of State of Valais. Ruedi Jeker takes office as president of the government of Zürich.
- May 2- Moctar Ouane becomes foreign minister of Mali.
- May 2- Marek Belka is sworn in as prime minister of Poland.
- May 7- Fredis Refunjol is sworn in as governor of Aruba.
- May 9- Carlos Gomes Júnior is named Prime Minister of Guinea-Bissau.
- May 10- Deborah Barnes Jones is sworn in as governor of Montserrat.
- May 17- Ghazi al-Yawer becomes president of the governing council of Iraq.
- May 19- Manmohan Singh is invited to form the new government of India.
- May 20- Bingu wa Mutharika wins the presidential election in Malawi.
- May 23- K. Natwar Singh becomes foreign minister of India.
- May 28- Dharam Singh is installed as chief minister of Karnataka.
- May 28- Alan Huckle is sworn in as governor of Anguilla.
- June 1 - Antonio Saca becomes President of El Salvador; Francisco Laínez becomes foreign minister.
- June 1- Barbara Egger-Jenzer becomes President of the Government of Bern. Sylvie Perrinjaquet becomes president of the Council of State of Neuchâtel, Josef Keller Landammann of Sankt Gallen, Claudius Graf-Schelling president of the government of Thurgau, and Josef Arnold Landammann of Uri.
- June 2- The parliament of the Republic of Macedonia approves the new government of Prime Minister Hari Kostov.
- June 10- The Congress of New Caledonia elects Marie-Noëlle Thémereau as new president of the government.
- June 14- Oscar Temaru is elected president of French Polynesia.
- June 15- Ivan Gasparovic takes office as president of Slovakia.
- June 26- Chaudhry Shujaat Hussain is named as new prime minister of Pakistan.
- June 27 - New President of Serbia, Boris Tadic elected.
- June 28 - Canadian federal elections occur; the Liberal party loses its absolute majority.
- July 6 - John Edwards named as John Kerry's running mate for U.S. President.
- July 12 - Pedro Santana Lopes appointed Prime Minister of Portugal.
- October 9 - Australian election held, John Howard's conservative government re-elected for a fourth term.
- October 20 - Susilo Bambang Yudhoyono is sworn in as President of Indonesia.
- Rulers (http://www.rulers.org) - Includes months in politics for 2004.