* Andrew Ainslie Common ( 1841 – 1903 ), built his own very large reflecting telescopes and demonstrated that photography could record astronomical features invisible to the human eye.

* 1903 – The Kishinev pogrom in Kishinev ( Bessarabia ) begins, forcing tens of thousands of Jews to later seek refuge in Israel and the Western world.

* 1903 – Mickey Cochrane, American baseball player ( d. 1962 )

* 1903 – Harold Edgerton, American electrical engineer ( d. 1990 )

* 1903 – Jan Tinbergen, Dutch economist, recipient of the Bank of Sweden Prize ( d. 1994 )

* 1903 – Ferenc Keserű, Hungarian water polo player ( d. 1968 )

* 1819 – Sir George Stokes, 1st Baronet, Irish-English mathematician and physicist ( d. 1903 )

After what the MCC saw as the problems of the earlier professional and amateur series they decided to take control of organising tours themselves, and this led to the first MCC tour of Australia in 1903 – 04.

* 1903 – Fall of the Ottoman Empire: an unsuccessful uprising led by the Internal Macedonian Revolutionary Organization against Ottoman Turkey, also known as the Ilinden – Preobrazhenie Uprising, takes place.

In Serbia Nikola Pašić ( 1845 – 1926 ) and his Radical Party dominated Serbian politics after 1903 ; they also monopolized power in Yugoslavia from 1918 to 1929 ; during the dictatorship of the 1930s, it furnished the prime minister.

* 1903 – Macedonian rebels in Kruševo proclaim the Kruševo Republic, which exists only for 10 days before Ottoman Turks lay waste to the town.

* 1903 – Habib Bourguiba, Tunisian politician ( d. 2000 )

* 1903 – A 30 million cubic-metre landslide kills 70 in Frank, Alberta, Canada.

* 1876 – Alexander I of Serbia ( d. 1903 )

* Adrian ( costume designer ) ( 1903 – 1959 ), born Adrian Adolph Greenberg, costume designer for over 250 films

* Adrian Rollini ( 1903 – 1956 ), American multi-instrumentalist best known for his jazz music

* 1903 – German engineer Karl Jatho allegedly flies his self-made, motored gliding airplane four months before the first flight of the Wright brothers.

* 1903 – James Gould Cozzens, American novelist ( d. 1978 )

* 1903 – Lewis Sargent, American actor ( d. 1970 )

* 1826 – Karl Gegenbaur, German anatomist ( d. 1903 )

* 1903 – Arpad Elo, American chess player, created the Elo rating system ( d. 1992 )

Alexander I or Aleksandar Obrenović ( Cyrillic: Александар Обреновић ; 14 August 1876 – 11 June 1903 ) was king of Serbia from 1889 to 1903 when he and his wife, Queen Draga, were assassinated by a group of Army officers, led by Colonel Dragutin Dimitrijević

For a few years there were rumors of abandoning Detroit to compete for Cincinnati or Pittsburgh but the two leagues made peace in 1903 after similar moves into St. Louis and New York.

* October 1 – Louis Leakey, British paleontologist ( b. 1903 )

The above may be supplemented by some valuable annals published by Louis Halphen, Recueil d ' annales angevines et vendómoises ( Paris, 1903 ), ( in the series Collection de textes pour servir à l ' étude et à l ' enseignement de l ' histoire ).

She is the granddaughter of the respected actor Louis Seigner ( 1903 – 1991 ) and sister of the actress Mathilde Seigner.

Lajos király fia ( A Son of King Louis II Jagiellon ), Századok ( Periodical Centuries ), pp. 183 – 185, 1903

Having won sprint events at the 1903 American and Canadian championships, Hahn — born in Dodgeville, Wisconsin, but running for the University of Michigan — was among the favourites at the 1904 Olympic Games in St. Louis, which was poorly attended by European athletes.

During 1901 – 1903, The Ozark and Cherokee Central Railway, which later became part of the St. Louis and San Francisco Railway was the first to build a track in the county.

Around 1903, just before the St. Louis World's Fair opened, the St. Louis, Memphis and Southern Railroad purchased the company-owned railroad's right-of-way through Crystal City and neighboring Festus, Missouri to establish what became the Frisco Line.

Boynton was built in 1903 with the coming of the St. Louis – San Francisco Railway to the Muscogee ( Creek ) Nation.

Alfalfa seed was an important cash crop at the turn of the century, and honey produced by local apiarist Christian Ottesen won first prize at the St. Louis World's Fair in 1903.

The town name is derived from " Mann's Ford ," a crossing of the Cimarron River because Tom and Hazel Mann had received a Creek allotment at this location. The Arkansas Valley and Western Railroad ( later the St. Louis and San Francisco Railroad ) built a line through this area in 1902-3, making it an important cattle shipping point. A post office was established April 11, 1903.

Louis Renault ( industrialist ) | Louis Renault in 1903

Both Louis and Marcel Renault raced company vehicles, but Marcel was killed in an accident during the 1903 Paris-Madrid race.

S. A. des Automobiles Delaunay-Belleville was formed in 1903 by Louis Delaunay and Marius Barbarou.

Emmett Louis Hardy ( June 12, 1903 – June 16, 1925 ) was an early jazz cornet player and one of the best regarded New Orleans musicians of his generation.

In July 1903, at the request of a lawyer named Louis Whealton whom the zoo's director William Temple Hornaday regarded as a potential donor to the zoo, Beebe and Blair went on another expedition to Virginia's Barrier Islands.

He achieved further attention when his drawings were exhibited in the British Art Section of the St. Louis Exposition and the Paris International Exhibition, and in 1903 he won a silver medal at the National Competition of Schools of Art, where the judges, who included Walter Crane and Byam Shaw, praised his " remarkable sense of colour and great vigour of conception.

Colonel Louis Chauchat and armorer Charles Sutter, at the Atelier de Construction de Puteaux ( APX ) arsenal since 1903, proposed a portable light machine gun based on the working principles applied in Browning's Remington Model 8 rifle.

In 1903, at the age of 17, she was briefly married to Louis Tuck, from which she decided to change her name to Tucker.

* Louis A. Barbé ( 1903 ), Viscount Dundee, Oliphant, Anderson and Ferrier, (" Famous Scots Series ").

She held a place in the prestigious Tree Studio building in Chicago from 1903 through 1905 along with other well-known painters such as Pauline Palmer, Walter Marshall Clute, Louis Betts, and sculptor Julia Bracken Wendt, with whom she developed a close friendship.

These included Louis Zukofsky ( 1904 – 1978 ), Charles Reznikoff ( 1894 – 1976 ), George Oppen ( 1908 – 1984 ), Carl Rakosi ( 1903 – 2004 ) and, later, Lorine Niedecker ( 1903 – 1970 ).