The first Tour de France bicycle race, sponsored by the French newspaper L'Auto in an effort to boost sales, was launched from the Café au Réveil-Matin in Paris.
Under the Cuban–American Treaty of Relations, signed in May 1903, the United States and Cuba signed a second lease on Guantánamo Bay, as a result of which the U.S. would send a payment to the Cuban government each year in return for permission to use the land as a coaling and naval station.
French writer Jacques d'Adelswärd-Fersen was arrested on suspicion of indecent behavior with minors and offending the public decency; he was incarcerated at La Santé Prison.
Pennsylvania State Constable Harry Foster "Darby" Bierer of Westmoreland County, Pennsylvania was shot and killed by Charles E. Kruger, whom he was trying to arrest for dynamiting a mine building in Luxor, Pennsylvania. After Kruger was arrested, he confessed to 18 murders, including the August 12, 1902, killings of Patrolmen Timothy T. Devine and Charles Pennell of the Chicago Police Department. Kruger would be hanged on February 11, 1904.
At 7 p.m., a massive explosion destroyed a privately owned explosives magazine at Robb's Jetty, in what is now North Coogee, City of Cockburn, Western Australia, and killed night watchmanThomas Whelan. Although Whelan himself would initially be suspected of sabotage, head caretaker Robert Carrick would become the prime suspect, but would never be charged due to a lack of evidence.
At the county jail in Basin, Wyoming, a lynch mob of about 50 men shot and killed Deputy Sheriff C. E. Pierce of the Big Horn County, Wyoming Sheriff's Office, who was guarding two murder suspects, Gorman and Walters. The mob then broke down the jail's doors with telephone poles and shot and killed the two prisoners.
In the by-election at Barnard Castle in the UK, brought about by the death of sitting Liberal MP, Sir Joseph Pease, Arthur Henderson took the seat for Labour, becoming the first Labour candidate to win against both Liberal and Conservative opposition, and only the fifth Labour MP in the House of Commons.
Officer William Leopold Cotter of the California Department of Corrections and Rehabilitation was stabbed to death during the escape of 13 prisoners from the Folsom Penitentiary. Several other prison staff members were seriously wounded, and two members of the state militia would be shot and killed during the manhunt for the prisoners.
Born:Michail Stasinopoulos, Greek politician, President 1974–75, in Kalamata (died 2002)
Idaho Springs miners' strike of 1903: Philip Fire, a striking union miner, died in an attempt to dynamite the transformer house at the "Sun and Moon" mine.
↑"Pornographie mondaine". Le Rappel. 12 July 1903.
↑"Charles Kruger Hanged". Los Angeles Herald. Vol.XXXI, no.136. 12 February 1904. Page 3, column 3. Retrieved 12 January 2022– via California Digital Newspaper Collection.
↑Augendre, Jacques (1996). Le Tour de France: Panorama d'un siècle[The Tour de France: Panorama of a century] (in French). Société du Tour de France. p.9.