ATHENS 2004: Gold - United States (Kelly Willie, Derrick Brew, Andrew Rock, Darold Williamson, Otis Harris, Jeremy Wariner) Silver - Australia (John Steffensen, Clinton Hill, Patrick Dwyer, Mark Ormrod) Bronze - Nigeria (James Godday, Musa Audu, Saul Weigopwa, Enefiok Udo Obong)

SYDNEY 2000: Gold - United States (Alvin Harrison, Antonio Pettigrew, Calvin Harrison, Michael Johnson) Silver - Nigeria (Clement Chukwu, Jude Monye,

Sunday Bada, Enefiok Udo-Obong) Bronze - Jamaica (Michael Blackwood, Gregory Haughton, Christopher Williams, Danny McFarlane)

ATLANTA 1996: Gold - United States (LaMont Smith, Alvin Harrison, Derek Mills, Anthuan Maybank) Silver - Britain (Iwan Thomas, Jamie Baulch, Mark Richardson, Roger Black) Bronze - Jamaica (Michael McDonald, Roxbert Martin, Greg Haughton, Davian Clarke)

BARCELONA 1992: Gold -- United States (Andrew Valmon, Quincy Watts, Michael Johnson, Steve Lewis) Silver -- Cuba (Lazaro Martinez, Hector Herrera, Norberto Tellez, Roberto Hernandez) Bronze -- Britain (Roger Black, David Grindley, Kriss Akabusi, John Regis)

SEOUL 1988: Gold - United States (Danny Everett, Steven Lewis, Kevin Robinzine, Harry "Butch" Reynolds) Silver - Jamaica (Howard Davis, Devon Morris, Winthrop Graham, Bertland Cameron) Bronze - West Germany (Norbert Dobeleit, Edgar Itt, Jorg Vahlinger, Ralf Lubke)

LOS ANGELES 1984: Gold - United States (Sunder Nix, Ray Armstead, Alonzo Babers, Antonio McKay) Silver - Great Britain (Kriss Akabusi, Gary Cook, Todd Bennett, Philip Brown) Bronze - Nigeria (Sunday Uti, Moses Ugbusien, Rotimi Peters, Innocent Egbunike)

MOSCOW 1980: Gold - Soviet Union (Remigijus Valiulis, Mikhail Linge, Nikolai Chernetsky, Viktor Markin) Silver - East Germany (Klaus Thiele, Andreas Knebel, Frank Schaefer, Volker Beck) Bronze - Italy (Stefano Malinverni, Mauro Zuliani, Roberto Tozzi, Pietro Mennea)

MONTREAL 1976: Gold - United States (Herman Frazier, Benjamin Brown, Frederick Newhouse, Maxie Parks) Silver - Poland (Ryszard Podias, Jan Werner, Zbiegniew Jaremski, Jerzy Pietrzyk) Bronze - West Germany (Franz-Peter Hoffmeister, Lothar Krieg, Harald Schmid, Bernd Herrmann)

MUNICH 1972: Gold - Kenya (Charles Asati, Hesakiah Nyamau, Robert Ouko, Julius Sang) Silver - Great Britain (Martin Reynolds, Alan Pascoe, David Hemery, David Jenkins) Bronze - France (Gilles Bertould, Daniel Velasques, Francis Kebiriou, Jacques Carette)

MEXICO CITY 1968: Gold - United States (Vincent Matthews, Ronald Freeman, Larry James, Lee Evans) Silver - Kenya (Daniel Rudisha, Matesi Munyoro Nyamau, Naftali Bon, Charles Asati) Bronze - West Germany (Helmar Muller, Manfred Kinder, Gerhard Henninge, Martin Jellinghaus)

TOKYO 1964: Gold - United States (Olan Cassell, Michael Larrabee, Ulis Williams, Henry Carr) Silver - Great Britain (Timothy Graham, Adrian Metcalfe, John Cooper, Robbie Brightwell) Bronze - Trinidad (Edwin Skinner, Kent Bernard, Edwin Roberts, Wendell Motley)

ROME 1960: Gold - United States (Jack Yerman, Earl Young, Glenn Davis, Otis Davis) Silver - West Germany (Hans-Joachim Reske, Manfred Kinder, Johannes Kaiser, Carl Kaufmann) Bronze - British West Indies (Malcom Spence, James Wedderburn, Keith Gardner, George Kerr)

MELBOURNE 1956: Gold - United States (Louis Jones, Jesse Mashburn, Charles Jenkins, Thomas Courtney) Silver - Australia (Leon Gregory, David Lean, Graham Gipson, Kevan Gosper) Bronze - Great Britain (John Salisbury, Michael Wheeler, F. Peter Higgins, Derek Johnson)

HELSINKI 1952: Gold - Jamaica (Arthur Wint, Leslie Laing, Herbert McKenley, V. George Rhoden) Silver - United States (Olie Mattson, Gerald Cole, Charles Moore, Malvin Whitfield) Bronze - West Germany (Hans Geister, Gunther Steines, Heinz Ulzheimer, Karl-Friedrich Haas)

LONDON 1948: Gold - United States (Arthur Hamden, Clifford Bourland, Roy Cochran, Malvin Whitfield) Silver - France (Jean Kerebel, Francois Schwetta, Robert Chef d'Hotel, Jacques Lunis) Bronze - Sweden (Kurt Lundkvist, Lars Wolfbrandt, Folke Alnevik, Rune Larsson)

BERLIN 1936: Gold - Great Britain (Frederick Wolff, Godfrey Rampling, William Roberts, Arthur Godfrey Brown) Silver - United States (Harold Caigle, Robert Young, Edward O'Brien, Alfred Fitch) Bronze - Germany (Helmut Hamann, Friedrich von Stulpnagel, Harry Voigt, Rudolf Harbig)

LOS ANGELES 1932: Gold - United States (Ivan Fuqua, Edgar Ablowich, Karl Warner, Wiliam Carr) Silver - Great Britain (Crew Stoneley, Thomas Hampson, David Burghley, Godfrey Rampling) Bronze - Canada (Raymond Lewis, James Ball, Philip Edwards, Alexander Wilson)

AMSTERDAM 1928: Gold - United States (George Baird, Emerson "Bud" Spencer, Fredrick Alderman, Raymond Barbuti) Silver - Germany (Otto Neumann, Richard Krebs, Werner "Harry" Storz, Hermann Engelhard) Bronze - Canada (Alexander Wilson, Philip Edwards, Stanley Glover, James Ball)

PARIS 1924: Gold - United States (Commodore Cochrane, Alan Helffrich, J. Oliver McDonald, William Stevenson) Silver - Sweden (Artur Svensson, Erik Bylehn, Gustaf Wejnarth, Nils Engdahl) Bronze - Great Britain (Edward Toms, George Renwick, Richard Ripley, Guy Butler)

ANTWERP 1920: Gold - Great Britain (Cecil Griffiths, Robert Lindsay, John Ainsworth-Davis, Harold Butler) Silver - South Africa (Harry Davel, Clarence Oldfield, Jack Oosterlak, Bevil Rudd) Bronze - France (Georges "Geo" Andre, Gaston Fery, Maurice Delvart, Jean Devaux)

STOCKHOLM 1912: Gold - United States (Melvin Sheppard, Edward Lindberg, James "Ted" Meredith, Charles Reidpath) Silver - France (Charles Lelong, Robert Schurrer, Pierre Failliot, Charles Poulenard) Bronze - Great Britain (George Nicol, Ernest Henley, James Tindal Soutter, Cyril Seedhouse)

LONDON 1908: Gold - United States (William Hamilton, Nathaniel Cartmell, John Taylor, Melvin Sheppard) Silver - Germany (Arthur Hoffman, Hans Eicke, Otto Trieloff, Hanns Braun) Bronze - Hungary (Pal Simon, Frigyes Mezey-Wiesner, Jozsef Nagy, Odon Bor)

1896 - 1906: not held