The year 1921 in architecture involved some significant events.

Buildings

• The Einstein Tower near Potsdam, Germany, designed by Erich Mendelsohn is completed.
• Berliner Tageblatt designed by Erich Mendelsohn is opened.
• Simon Rodia begin constructing the Watts Towers in Los Angeles.
• The current Central Railway Station in Sydney, Australia is completed.
• Harkness Tower in Yale University in New Haven, Connecticut, United States is completed after 4 years of construction.
• The Corn Palace in Mitchell, South Dakota, United States is completed however the domes were added in 1937.
• The Wong Tai Sin Temple in Hong Kong, China is moved to its current site and completed.
• Michel de Klerk's Het Schip housing development for Eigen Haard in Amesterdam is completed.
• Monument to the March Dead is completed by Walter Gropius in Weimar.
• The Mayslake Peabody Estate is finished in Oak Brook, Illinois.

Events

• Hugo H ring and Ludwig Mies van der Rohe submit a competition entry for a Friedrichstrasse office building, fully made of glass.

Awards

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

Births

• 26 February 1921 - Angelo Mangiarotti in Milan

Deaths

• March 3 - Pierre Cuypers (born 1827)
• June 1 - Robert Rowand Anderson (born 1834)

fr:1921 en architecture mk:1921 no:Arkitektur ret 1921