* Gene Austin ( 1900 – 1972 ), American singer

* 1900 – Leo Robin, American songwriter and composer ( d. 1984 )

* 1900 – Philippine – American War: Filipino guerrillas launch a surprise attack on U. S. infantry and begin a four-day siege of Catubig, Philippines.

* 1900 – Hawaii becomes a territory of the United States, with Sanford B. Dole as governor.

* 1900 – Casey Jones dies in a train wreck in Vaughn, Mississippi, while trying to make up time on the Cannonball Express.

* 1900 – David Manners, Canadian-American actor ( d. 1998 )

* 1844 – Alfred, Duke of Saxe-Coburg and Gotha ( d. 1900 )

* 1900 – Cecil Howard Green, English-American geophysicist ( d. 2003 )

* 1820 – George Grove, English historian ( d. 1900 )

* 1867 – Ernest Dowson, English poet ( d. 1900 )

* 1984 – Elizabeth Goudge, English writer ( b. 1900 )

* 1900 – Otto Nothling, Australian cricketer and rugby player ( d. 1965 )

* 1900 – The Firestone Tire and Rubber Company is founded.

* 1900 – Ernie Pyle, American journalist ( d. 1945 )

* 1900 – John T. Scopes, American teacher ( d. 1970 )

* 1900 – The Eight-Nation Alliance occupies Beijing, China, in a campaign to end the bloody Boxer Rebellion in China.

* 1900 – Estelle Brody, American actress ( d. 1995 )

* 1900 – The Battle of Elands River during the Second Boer War ends after a 13-day siege is lifted by the British.

* 1900 – Olga Baclanova, Russian actress ( d. 1974 )

* 1900 – Colleen Moore, American actress ( d. 1988 )

* 1900 – Gontran de Poncins, French writer and adventurer ( d. 1962 )

* 1900 – Gilbert Ryle, English philosopher ( d. 1976 )

* 1840 – Ferdinand Hamer, Dutch missionary and bishop ( d. 1900 )

* 1900 – Hans Adolf Krebs, German physician and biochemist, Nobel Prize laureate ( d. 1981 )

In 1900 the South was only 15% urban ; ;

Where territory is occupied in the course of hostilities by an enemy's force, even if the annexation of the occupied country is proclaimed by the enemy, there can be no change of allegiance during the progress of hostilities on the part of a citizen of the occupied country ( R v Vermaak ( 1900 ) 21 NLR 204 ( South Africa )).

A natural-born subject owes allegiance wherever they may be, so that where territory is occupied in the course of hostilities by an enemy's force, even if the annexation of the occupied country is proclaimed by the enemy, there can be no change of allegiance during the progress of hostilities on the part of a citizen of the occupied country ( R v Vermaak ( 1900 ) 21 NLR 204 ( South Africa )).

Game reserves have, however, been established in South Africa, British Central Africa, British East Africa, Somaliland, etc., while measures for the protection of wild animals were laid down in an international convention signed in May 1900.

* Bloody Sunday ( 1900 ), a day of high casualties in the Second Boer War, South Africa

* 1900 – Second Boer War: In South Africa, 20, 000 British troops invade the Orange Free State.

* 1900 – Second Boer War: In South Africa, British military leaders receive an unconditional notice of surrender from Boer General Piet Cronje at the Battle of Paardeberg.

In 1900, the Journal of the American Medical Association published an editorial stating, " Negroes in the South are reported as being addicted to a new form of vice – that of ' cocaine sniffing ' or the ' coke habit.

In 1896, they returned to Massachusetts and Keller entered The Cambridge School for Young Ladies before gaining admittance, in 1900, to Radcliffe College, where she lived in Briggs Hall, South House.

* 1900 – The Battle of Spion Kop between the forces of the South African Republic and the Orange Free State and British forces during the Second Boer War resulted in a British defeat.

* Montgomery, William G. ( 1993 ) Under Their Own Vine and Fig Tree: The African-American Church in the South, 1865 – 1900, Louisiana State University Press, ISBN 0-8071-1745-5

* Evelyn Greenleaf Sutherland's play Po ' White Trash, published in 1900, exposes complicated cultural tensions in the post-Reconstruction South, at the heart of which is the racial status of poor whites.

Depiction of a fetish in South Africa by the London Missionary Society, circa 1900.

The South Island contained most of the Pākehā population until around 1900 when the North Island again took the lead and has supported an ever greater majority of the country's total population through the 20th century and into the 21st.

This allowed the Roberts to declare the war over, having won the principal cities and so, on 3 September 1900, the South African Republic was formally annexed.

The capture of 400 POWs in February 1900 was a key event, which made the British realise they could not accommodate all POWs in South Africa.

In 1970, blacks still constituted some 30 percent of South Carolina's population ; in 1900, during the period of disfranchisement, they constituted 58. 4 percent of the state's population.

In January 1900, Francis William Reitz, the State Secretary of the South African Republic, started issuing orders discouraging any sheep-herders from entering Swaziland.

* Patrick Clunie, Sgt., RCR, The South African War, 6 Sep 1900

A record Farthest South latitude of 82 ° 17 ′ was reached, beating the previous record established in 1900 by Carsten Borchgrevink.

Good omens were quick to arrive though and before the 19th century was out the South Coast was given a taste of things to come as they reached the first of their four FA Cup Finals in 1900.

Evidence of cultivation is continually found throughout later civilizations in South Asia, including the Harappan period 2600 to 1900 BCE.

British fortunes changed after January 1900 with the appointment of Lord Roberts to command British forces in South Africa.

* SAVA Journal SJ: 4 / 95: The History of Flags of South Africa before 1900