These are the ARC Weekly Top 40 number 1 hits of 2003. The ARC Weekly Top 40 is an American mainstream music chart The chart was founded in 1980 and measures popular Songs based on Radio
| Issue date | Song | Artist |
| January 4 | Beautiful | Christina Aguilera |
| January 11 | Beautiful | Christina Aguilera |
| January 18 | Beautiful | Christina Aguilera |
| January 25 | Beautiful | Christina Aguilera |
| February 1 | I'm with You | Avril Lavigne |
| February 8 | I'm with You | Avril Lavigne |
| February 15 | I'm with You | Avril Lavigne |
| February 22 | All I Have | Jennifer Lopez featuring LL Cool J |
| March 1 | All I Have | Jennifer Lopez featuring LL Cool J |
| March 8 | All I Have | Jennifer Lopez featuring LL Cool J |
| March 15 | All I Have | Jennifer Lopez featuring LL Cool J |
| March 22 | Picture | Sheryl Crow featuring Kid Rock |
| March 29 | In da Club | 50 Cent |
| April 5 | In da Club | 50 Cent |
| April 12 | In da Club | 50 Cent |
| April 19 | In da Club | 50 Cent |
| April 26 | When I'm Gone | 3 Doors Down |
| May 3 | Rock Your Body | Justin Timberlake |
| May 10 | Rock Your Body | Justin Timberlake |
| May 17 | Rock Your Body | Justin Timberlake |
| May 24 | Rock Your Body | Justin Timberlake |
| May 31 | Bring Me to Life | Evanescence |
| June 7 | Bring Me to Life | Evanescence |
| June 14 | Miss Independent | Kelly Clarkson |
| June 21 | Miss Independent | Kelly Clarkson |
| June 28 | Miss Independent | Kelly Clarkson |
| July 5 | Miss Independent | Kelly Clarkson |
| July 12 | Miss Independent | Kelly Clarkson |
| July 19 | Crazy in Love | Beyoncé featuring Jay-Z |
| July 26 | Crazy in Love | Beyoncé featuring Jay-Z |
| August 2 | Crazy in Love | Beyoncé featuring Jay-Z |
| August 9 | Crazy in Love | Beyoncé featuring Jay-Z |
| August 16 | Where Is the Love? | Black Eyed Peas featuring Justin Timberlake |
| August 23 | Where Is the Love? | Black Eyed Peas featuring Justin Timberlake |
| August 30 | Crazy in Love | Beyoncé featuring Jay-Z |
| September 6 | Crazy in Love | Beyoncé featuring Jay-Z |
| September 13 | Crazy in Love | Beyoncé featuring Jay-Z |
| September 20 | Shake Ya Tailfeather | Nelly / P. Events 46 BC - Titus Labienus defeats Julius Caesar in the Battle of Ruspina. Christina María Aguilera (born December 18 1980 is an American pop / R&B Singer and Songwriter. Events 1055 - Theodora is crowned Empress of the Byzantine Empire. Events 350 - Generallus Magnentius deposes Roman Emperor Constans and proclaims himself Emperor Events 41 - After a night of negotiation Claudius is accepted as Roman Emperor by the Senate Events 1327 - Teenaged Edward III is crowned King of England, but the country is ruled by his mother Queen " I'm With You " is a Pop punk song written by Avril Lavigne Whibley (born September 27 1984 better known by her birth name of Avril Lavigne (ˈævrɨl ləˈviːn is a Canadian Grammy Award Events 421 - Constantius III becomes co- Emperor of the Western Roman Empire. Events 590 - Khosrau II is crowned as king of Persia 1637 - Ferdinand III becomes Holy Roman Emperor Events 1495 - King Charles VIII of France enters Naples to claim the city's throne " All I Have " is a pop – R&B song written by American singer-songwriter Jennifer Lopez, Makeba Riddick Curtis Richardson and Jennifer Lynn Lopez (born July James Todd Smith (born January 14 1968 better known as LL Cool J, is an American Rapper and actor Events 86 BC - Lucius Cornelius Sulla, at the head of a Roman Republic army enters in Athens, removing the Tyrant Events 1618 - Johannes Kepler discovers the third law of planetary motion. Events 44 BC - Julius Caesar, Dictator of the Roman Republic, is stabbed to death by Marcus Junius Brutus, Events 238 - Gordian I and his son Gordian II are proclaimed Roman emperor. " Picture " is a 2001 song by Kid Rock from his album Cocky, an acoustic country ballad performed with Sheryl Suzanne Crow (born February 11, 1962) is an American Singer-songwriter and Musician. Robert James Ritchie (born January 17 1971 in Romeo Michigan) known by his stage name Kid Rock, is an American Musician and actor known for his over-the-top Events 1461 - Wars of the Roses: Battle of Towton - Edward of York defeats Queen Margaret to become King "In Da Club" is a hip hop song performed by rapper 50 Cent for his commercial debut album Get Rich or Die Tryin'. Events 456 - St Patrick returns to Ireland as a missionary bishop Events 467 - Anthemius is elevated to Emperor of the Western Roman Empire. Events 1012 - Martyrdom of Alphege in Greenwich London. 1529 - At the Second Diet of Speyer Events 1467 - The miraculous image in Our Lady of Good Counsel appear in Genazzano, Italy. 3 Doors Down is an American rock band formed in 1994 in by Brad Arnold ( Vocals and drums) Matt Roberts ( Guitar Events 1491 - Kongo monarch Nkuwu Nzinga is baptised by Portuguese missionaries adopting the baptismal name of João " Rock Your Body " is the third single from Justin Timberlake 's solo debut album Justified. Justin Randall Timberlake (born January 31 1981 He has English ancestry although he has also claimed some American Indian ancestry probably through unconfirmed Events 1291 - Scottish Nobles recognize the authority of Edward I of England. Events 1521 - Edward Stafford 3rd Duke of Buckingham, is executed for Treason. Events 1218 - The Fifth Crusade leaves Acre for Egypt. 1276 - Magnus Ladulås is crowned Events 1279 BC - Rameses II (The Great (19th dynasty becomes pharaoh of Ancient Egypt. " Bring Me to Life " is the first single from Evanescence 's multi-platinum debut album Fallen. Evanescence is an American Events 1099 - The First Crusade: The Siege of Jerusalem begins Events 1276 - While taking exile in Fuzhou in southern China, away from the advancing Mongol invaders, the remnants of the Kelly Brianne Clarkson (born April 24 1982 is an American Pop rock singer songwriter and occasional actress. Events 524 - Godomar, King of the Burgundians defeats the Franks at the Battle of Vézeronce. Events 1098 - Fighters of the First Crusade defeat Kerbogha of Mosul. Events 1295 - Scotland and France form an alliance the beginnings of the Auld Alliance, against England. Events 1191 - Saladin 's garrison surrenders ending the two-year Siege of Acre. Events 711 - Muslim forces under Tariq ibn Ziyad defeat the Visigoths led by their king Roderic. " Crazy in Love " is a song by American R&B singer Beyoncé Knowles, featuring American Hip hop singer Jay-Z. Beyoncé Giselle Knowles (born September 4 1981 commonly known as Beyoncé (biːˈɑn Shawn Corey Carter (born December 4 1969 better known as Jay-Z, is an American Rapper and former CEO of Def Jam Recordings and Roc-A-Fella Events 657 - Battle of Siffin. 811 - Battle of Pliska; Byzantine Emperor Nicephorus Events 338 BC - A Macedonian army led by Philip II defeated the combined forces of Athens and Thebes in the Events 48 BC - Caesar's civil war: Battle of Pharsalus - Julius Caesar decisively defeats Pompey at Pharsalus Events 1384 - The Hongwu Emperor of Ming China, Emperor Dong hears a case of a couple who tore paper money bills while fighting " Where Is the Love? " is the first single from the Black Eyed Peas ' third album Elephunk Released in 2003 the single peaked at #8 in the The Black Eyed Peas is an American hip hop group from Los Angeles. Events 79 - Mount Vesuvius begins stirring on the feast day of Vulcan the Roman god of fire Events 1363 - Beginning date of the Battle of Lake Poyang; the forces of two Chinese rebel leaders— Chen Youliang and Events 3114 BC - According to the Proleptic Julian calendar the current era in the Maya Long Count Calendar started Events 509 BC - The Temple of Jupiter on Rome 's Capitoline Hill is dedicated on the ides of September Events 451 - The Battle of Chalons takes place in North Eastern France. "Shake Ya Tailfeather" is a single by the Rappers Nelly, P Cornell Haynes Jr (born November 2 1974 Highly successful Nelly has sold over 20 million records in the United States Diddy / Murphy Lee |
| September 27 | Shake Ya Tailfeather | Nelly / P. Torhi Murphy Lee Harper (born December 18, 1982) better known by his Stage name Murphy Lee, is and American Rapper Events 489 - Odoacer attacks Theodoric at the Battle of Verona and is defeated again Diddy / Murphy Lee |
| October 4 | Can't Hold Us Down | Christina Aguilera featuring Lil' Kim |
| October 11 | Here Without You | 3 Doors Down |
| October 18 | Here Without You | 3 Doors Down |
| October 25 | Baby Boy | Beyoncé featuring Sean Paul |
| November 1 | Baby Boy | Beyoncé featuring Sean Paul |
| November 8 | Baby Boy | Beyoncé featuring Sean Paul |
| November 15 | Baby Boy | Beyoncé featuring Sean Paul |
| November 22 | Baby Boy | Beyoncé featuring Sean Paul |
| November 29 | Hey Ya! | OutKast |
| December 6 | Hey Ya! | OutKast |
| December 13 | Hey Ya! | OutKast |
| December 20 | Hey Ya! | OutKast |
| December 27 | Hey Ya! | OutKast |
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