1921 in architecture

Events

• March – Puhl & Wagner are contracted to decorate the interior of the Golden Hall with neo-Byzantine mosaics designed by Einar Forseth.
• March 21 – Teatro Yagüez in Puerto Rico, designed by José Sabàs Honoré, reopens.
• May 27 – A Buddha image is enshrined in the main hall of the Daifukuji Soto Zen Mission in Hawai'i, as part of a dedication ceremony for the building.
• September 5 – The Cervantes Theatre in Buenos Aires, Argentina, opens with a production of Lope de Vega's La dama boba.
• Hugo Häring and Ludwig Mies van der Rohe submit a competition entry for a Friedrichstrasse office building, fully made of glass.
• Construction work begins on the Watts Towers in Los Angeles, designed by Simon Rodia.

  Buildings and structures

Buildings opened

• January 23 - Ohel Rachel Synagogue in Shanghai, China, designed by Robert Bradshaw Moorhead and Sidney Joseph Halse, is dedicated.
• March 3 - New terminal at the Central railway station, Sydney, Australia, complete with clock tower.
• May 2 - Cunard Building, designed by Benjamin Wistar Morris with consultants Carrère and Hastings.
• October 26 - The Chicago Theatre movie palace in the United States.

  Buildings completed

• The Einstein Tower near Potsdam, Germany, designed by Erich Mendelsohn.
• Berliner Tageblatt, designed by Erich Mendelsohn.
• Harkness Tower in Yale University in New Haven, Connecticut, United States, after 4 years of construction.
• The Corn Palace in Mitchell, South Dakota, United States is completed.
• The Wong Tai Sin Temple is moved to its current site and completed.
• New Hindu Durgiana Temple in Amritsar.
• Michel de Klerk's Het Schip housing development for Eigen Haard in Amesterdam.
• :File:Monument to the March dead.jpg|Monument to the March Dead, by Walter Gropius in Weimar, Germany.
• The Mayslake Peabody Estate in Oak Brook, Illinois, United States.
• The Theater Pathé Tuschinski movie/live theatre in Amsterdam, designed by Hijman Louis de Jong, is opened on October 28.
• Wolseley House, 160 Piccadilly, London, designed by William Curtis Green.

  Designs

• Adolf Loos designs a mausoleum for Max Dvořák that is never built.

  Awards

• American Academy of Arts and Letters Gold Medal – Cass Gilbert.
• RIBA Royal Gold Medal – Edwin Lutyens.

  Births

• January 15 – Ulrich Franzen, German-born American "Brutalist" architect, in Düsseldorf
• February 26 – Angelo Mangiarotti, Italian architect and industrial designer, in Milan
• March 14 – Ada Louise Huxtable, New York architecture critic and writer
• July 22 – Colin Madigan, Australian architect
• September 6 – Lyubow Demeetriyevna Oosava, Russian-born Belarusian architect

Deaths

• March 3 – Pierre Cuypers, Dutch church and museum architect
• May 18 – Martin Nyrop, Danish architect of Copenhagen City Hall
• June 1 – Sir Robert Rowand Anderson, Scottish Victorian architect
• December 10 – George Ashlin, Irish ecclesiastical architect