The year 1920 in architecture involved some significant events.

Events

• Construction of Welwyn Garden City in England begins with Louis de Soissons as architect and town planner.
• Edith Hughes establishes her own architectural practice, in Glasgow, the first British woman to do so.
• In the first issue of the Purist art magazine L' Esprit Nouveau co-founded by him, Charles-Édouard Jeanneret-Gris adopts the pseudonym Le Corbusier.

Buildings and structures

Buildings opened

• November 11 – The Cenotaph, Whitehall, London, designed by Edwin Lutyens.^[1]

Buildings completed

• Ajuria Enea, Vitoria-Gasteiz, Spain, designed by Alfredo Baeschlin.
• Coliseum Theatre (Kuala Lumpur), Malaysia.
• Hartford Times Building, Hartford, Connecticut, designed by Donn Barber^[2]
• Manitoba Legislative Building in Winnipeg, Manitoba, Canada.
• Oak Tower, Downtown Kansas City, Missouri, USA.
• Oslo Synagogue, Norway.
• Teatro Municipal (Lima), Peru.
• Bankstown Reservoir in Sydney, Australia

Awards

• AIA Gold Medal – Egerton Swartwout
• Olympic silver medal – Holger Sinding-Larsen of Norway for Project for a gymnastics school (no other medals awarded)
• RIBA Royal Gold Medal – Charles Louis Girault
• Grand Prix de Rome, architecture: Michel Roux-Spitz

Births

• January 23 – Gottfried Böhm, German architect (died 2021)
• July 16 – Peter Yates, English architect (died 1982)
• August 21 – Vincent Scully, American architectural historian (died 2017)
• September 2 – Romaldo Giurgola, Italian-American-Australian academic architect, professor and author (died 2016)
• October 21 – William Whitfield, English architect (died 2019)
• December 28 – Bruce McCarty, American architect (died 2013)

Deaths

• March 12 – Hermann Eggert, German architect (born 1888)
• May 17 – Jean-Louis Pascal, academic French architect (born 1837)
• May 18 – Frank Matcham, English theatrical architect and designer (born 1854)
• July 31 – Thomas Tryon, American architect (born 1859)
• October 22 – Ruggero Berlam, Italian architect (born 1854)