John Bartlet Brebner (19 May 1895 – 9 November 1957) was a Canadian-born Canadian and American historian who spent the major part of his career in the United States. Born in

Toronto Toronto ( ; or ) is the capital city of the Canadian province of Ontario. With a recorded population of 2,794,356 in 2021, it is the most populous city in Canada and the fourth most populous city in North America. The city is the anch ...

and educated at the

University of Toronto The University of Toronto (UToronto or U of T) is a public university, public research university in Toronto, Ontario, Canada, located on the grounds that surround Queen's Park (Toronto), Queen's Park. It was founded by royal charter in 1827 ...

, St John's College, Oxford, and

Columbia University Columbia University (also known as Columbia, and officially as Columbia University in the City of New York) is a private research university in New York City. Established in 1754 as King's College on the grounds of Trinity Church in Manhatt ...

, he taught at the University of Toronto between 1921 and 1925, when he moved to Columbia University where he spent the rest of his career. During the

First World War World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

, he served in the

Canadian Army The Canadian Army (french: Armée canadienne) is the command responsible for the operational readiness of the conventional ground forces of the Canadian Armed Forces. It maintains regular forces units at bases across Canada, and is also res ...

, before being commissioned into the

British Army The British Army is the principal land warfare force of the United Kingdom, a part of the British Armed Forces along with the Royal Navy and the Royal Air Force. , the British Army comprises 79,380 regular full-time personnel, 4,090 Gurk ...

(

Royal Garrison Artillery The Royal Garrison Artillery (RGA) was formed in 1899 as a distinct arm of the British Army's Royal Regiment of Artillery serving alongside the other two arms of the Regiment, the Royal Field Artillery (RFA) and the Royal Horse Artillery (RHA) ...

). Brebner was president of the

Canadian Historical Association The Canadian Historical Association (CHA; French ''Société historique du Canada'', SHC) is a Canadian organization founded in 1922 for the purposes of promoting historical research and scholarship. It is a bilingual, not-for-profit, charitable o ...

for 1939–40, won the Royal Society of Canada's J. B. Tyrrell Historical Medal in 1950, and was

Pitt Professor of American History and Institutions The Pitt Professorship of American History and Institutions was established at the University of Cambridge on 5 February 1944 from a sum of £44,000 received from the Syndics of the Cambridge University Press in 1943 and augmented by a further £5,0 ...

at the

University of Cambridge The University of Cambridge is a public collegiate research university in Cambridge, England. Founded in 1209 and granted a royal charter by Henry III in 1231, Cambridge is the world's third oldest surviving university and one of its most pr ...

in 1954–55. Brebner is remembered for coining the expression "the Siamese twins of North America" to describe Canada-United States relations and the concept of the North Atlantic triangle.

References

1895 births 1957 deaths 20th-century Canadian historians 20th-century American historians Historians of Canada Canadian expatriate academics in the United States Canadian military personnel of World War I University of Toronto alumni Alumni of St John's College, Oxford Columbia University alumni Columbia University faculty University of Toronto faculty Royal Garrison Artillery officers British Army personnel of World War I Academics of the University of Cambridge {{DEFAULTSORT:Brebner, John