1919 in architecture

• 25 April – The Bauhaus architectural and design movement is founded in Weimar, Germany, by Walter Gropius.
• November – Start of the Glass Chain correspondence.Whyte, Iain Boyd, ed. (1985). Crystal Chain Letters: Architectural Fantasies by Bruno Taut and His Circle. The MIT Press. {{ISBN|0-262-23121-2}}.
• Julia Morgan is selected as the architect for William Randolph Hearst's La Cuesta Encantada, better known as Hearst Castle, in San Simeon, California, USA.

File:Helsinki Railway Station 20050604.jpg, Finland]]

File:First Goetheanum.jpg in Dornach, Switzerland]]

• 5 March – Rebuilt Helsinki Central railway station, designed by Eliel Saarinen.{{cite book|title=Helsingin rautatieasema / Helsinki railway station|first=Hilkka|last=Högström|location=Helsinki|year=1996|isbn=951-53-0533-0}}{{cite book|last=Jokinen|first=Teppo|editor=Thiel-Siling, Sabine|title=Icons of Architecture – the 20th century|edition=2nd|year=1998|publisher=Prestel|location=Munich|isbn=3-7913-1949-3|pages=[https://archive.org/details/iconsofarchitect00thie/page/24 24–5]|chapter=Eliel Saarinen – Main Station|chapter-url-access=registration|chapter-url=https://archive.org/details/iconsofarchitect00thie/page/24}}
• April – First Congregational Church of Albany, New York, USA, designed by Albert W. Fuller.
• September – Brooklyn Army Terminal, New York, USA, designed by Cass Gilbert.
• 16 October – Condado Vanderbilt Hotel in San Juan, Puerto Rico.{{cite web|url=http://www.laht.com/article.asp?CategoryId=14092&ArticleId=611911|title=Historic San Juan Hotel Reopens After 15 Years|work=Latin American Herald Tribune|access-date=June 28, 2018|archive-date=23 December 2015|archive-url=https://web.archive.org/web/20151223235512/http://www.laht.com/article.asp?CategoryId=14092&ArticleId=611911|url-status=dead}}
• 11 November (Remembrance Day) – Hart House, University of Toronto, Toronto, Ontario, Canada, designed by Henry Sproatt.
• 27 November – Laie Hawaii Temple, Oahu, Hawaii, USA, dedicated.
• 29 November – Großes Schauspielhaus in Berlin with interior remodelled as a theater by Hans Poelzig.
• Church of the Madonna della Difesa, Montreal, Canada.{{CRHP|7409|Church of Notre-Dame-de-la-Défense National Historic Site of Canada}}
• McMahon Building, better known as the "World's littlest skyscraper", by J. D. McMahon, in downtown Wichita Falls, Texas.

• Het Schip, Amsterdam, Netherlands, by Michel de Klerk.
• First Goetheanum, Dornach, Switzerland, by Rudolf Steiner.

• RIBA Royal Gold Medal – Leonard Stokes.
• Grand Prix de Rome, architecture – Jacques Carlu and Jean-Jacques Haffner.

File:Giancarlo De Carlo 1950s.jpg]]

• 3 January – Robin Boyd, Australian architect (died 1971)
• 21 June – Paolo Soleri, Italian-American architect (died 2013)
• 23 July – Geoffrey Bawa, Ceylonese architect (died 2003)
• 12 December – Giancarlo De Carlo, Italian architect (died 2005)
• date unknown – Mualla Eyüboğlu, Turkish architect (died 2009)

• 26 February – Paul Due, Norwegian architect of railway stations (born 1835)
• 12 August – Ernest Gimson, English "Arts and Crafts" architect and furniture designer (born 1864)
• 5 September – Frigyes Schulek, Hungarian architect (born 1841)
• 15 October – Adolf W. Edelsvärd, Swedish architect (born 1824)
• 6 November – Hans Christian Amberg, Danish architect (born 1837)

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