The Einstein Tower near Potsdam, Germany, designed by Erich Mendelsohn.
Berliner Tageblatt, designed by Erich Mendelsohn.
The current Sydney Central railway station in Australia.
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 (except for domes added in 1937).
The Wong Tai Sin Temple (Hong Kong) is moved to its current site and completed.
New Hindu Durgiana Temple in Amritsar.
The Ohel Rachel Synagogue in Shanghai, designed by Robert Bradshaw Moorhead and Sidney Joseph Halse, is dedicated on January 23.
Michel de Klerk's Het Schip housing development for Eigen Haard in Amesterdam.
Monument to the March Dead (Denkmal der Märzgefallenen), by Walter Gropius in Weimar, Germany.
The Mayslake Peabody Estate in Oak Brook, Illinois, United States.
The Chicago Theatre movie palace in the United States.
The Theater Pathé Tuschinski movie/live theatre in Amsterdam, designed by Hijman Louis de Jong, is opened on October 28.
Adolf Loos designed a mausoleum for Max Dvořák that has remained unbuilt.
March - Puhl & Wagner are contracted to decorate the interior of the Golden Hall (Stockholm City 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.
American Academy of Arts and Letters Gold Medal – Cass Gilbert.
Royal Gold Medal - Edwin Lutyens.
January 15 - Ulrich Franzen, German-born American "Brutalist" architect, in Düsseldorf (died 2012)
February 26 - Angelo Mangiarotti, Italian architect and industrial designer, in Milan (died 2012)
March 14 - Ada Louise Huxtable, New York architecture critic and writer (died 2013)
July 22 - Colin Madigan, Australian architect (died 2011)
September 6 - Lyubow Demeetriyevna Oosava, Russian-born Belarusian architect
March 3 - Pierre Cuypers, Dutch church and museum architect (born 1827)
May 18 - Martin Nyrop, Danish architect of Copenhagen City Hall (born 1849)
June 1 - Sir Robert Rowand Anderson, Scottish Victorian architect (born 1834)
December 10 - George Ashlin, Irish ecclesiastical architect (born 1837)
1921 in architecture Wikipedia
The year 1921 in architecture involved some significant architectural events and new buildings.