The year2009 in architecture involved some significant architectural events and new buildings.

• March 3 –Historical Archive of the City of Cologne (1971) collapses.
• April 6 –2009 L'Aquila earthquake in Italy; dome ofSanta Maria di Collemaggio collapses for the second time.
• May 26 – Construction work atLouvre Abu Dhabi officially begins.
• October 21 –Solomon R. Guggenheim Museum in New York City celebrates its 50th anniversary (after a three-year restoration effort).
• November – The secondWorld Architecture Festival is held in Barcelona.
• Burj Khalifa is set to open several different times in 2009, and ultimately postponed until2010.
• TheRussia Tower gets cancelled for unknown reasons.
• PLP Architecture founded in London.

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• January –Embassy of the United States, Baghdad, the largest and most expensive embassy in the world, opens.
• January 17 –Copenhagen Concert Hall, designed byJean Nouvel, opens.

opens.

• January 22 –Wales Millennium Centre,Cardiff,Wales, opens to the public.
• January 31 –Porsche Museum, Stuttgart, designed by Delugan Meissl Associated Architects, opens.
• February 15 –Princess Elisabeth Antarctica, inaugurated.
• February 22 –Alice Tully Hall atLincoln Center inNew York City reopens after major renovations byDiller Scofidio + Renfro.
• March 7 – Our Lady of the Most Holy Trinity Chapel atThomas Aquinas College,Santa Paula, California, designed byDuncan G. Stroik, is dedicated.
• March 14 – NewCardiff Central Library inSt. David's,Cardiff,Wales, designed byBuilding Design Partnership, opens to the public.
• April 2 – NewYankee Stadium, home of theNew York Yankeesbaseball team inthe Bronx, designed byPopulous (formerly HOK Sport), opens.
• April 13 –Citi Field, new home of theNew York Mets baseball team inQueens, opens.
• April 25 –Prada Transformer building inSeoul,South Korea, designed byRem Koolhaas, opens.
• April 30 –300 New Jersey Avenue office building on the mall inWashington, D.C., designed byBritish architectsRogers Stirk Harbour + Partners, opens.

• May 21 –Museum Brandhorst inMunich, designed bySauerbruch Hutton, opens.
• June 8 – First segment of theHigh Line Park inChelsea, Manhattan opens.
• June 12 –Hafod Eryri at the summit ofSnowdon in Wales, designed byRay Hole Architects, is opened.^[1]
• June 21 – NewAcropolis Museum inAthens, designed byBernard Tschumi with Michael Photiadis, opens to the public.
• July –New Sarawak State Legislative Assembly Building inKuching, Malaysia, officially opened.
• August 4 –The Knut Hamsun Centre inHamarøy Municipality,Norway, designed bySteven Holl, opens.
• August 15 –41 Cooper Square, the newCooper Union academic building in New York City, designed byThom Mayne, has its opening ceremony.
• September 9 –Herning Museum of Contemporary Art, Denmark, new building designed by American architectSteven Holl, opens.

• September 18 –Liège-Guillemins railway station in Belgium, designed bySantiago Calatrava, has its opening ceremony.
• September 29 –Manitoba Hydro Place indowntown Winnipeg, designed byKuwabara Payne McKenna Blumberg Architects ofToronto, opens.
• October 16 – Extensive interior reconstruction of theNeues Museum,Berlin, to the designs ofDavid Chipperfield, is officially opened.
• November 7 – Extensive three-year internal rebuild and expansion of theAshmolean Museum,Oxford, to the designs ofRick Mather, is completed.
• November 14 –Centre for Contemporary Art Nottingham (gallery) inNottingham, England, designed byCaruso St John, opens.
• December –Jamieson Place (Calgary) inCalgary,Alberta
• December 5 –Mandarin Oriental, Las Vegas, part of theCityCenter complex inParadise, Nevada, opens.
• December 16 – TheCityCenter urban complex in Paradise, Nevada, designed byEhrenkrantz, Eckstut & Kuhn Architects, opens.
• date unknown – Jacob und Wilhelm Grimm-Zentrum library atHumboldt University of Berlin, designed byMax Dudler.

• May 21 –Stanbrook Abbey,Wass, North Yorkshire, England, first stage, designed byFeilden Clegg Bradley Studios.^[2]
• May 27 –Cowboys Stadium, new home of theDallas Cowboysfootball team, designed byHKS.
• October 21 –Soccer City (FNB Stadium) inJohannesburg, South Africa, host to the2010 FIFA World Cup.
• November –MAXXI - National Museum of the 21st Century Arts inRome,Italy, designed byZaha Hadid.
• November 1 –Yas Hotel Abu Dhabi in theYas Marina Circuit,Abu Dhabi, designed byAsymptote Architecture of New York.
• December 27 –Darunaman Mosque in northernThailand.
• date unknown
  • The Cathedral of the Annunciation inVoronezh,Russia.
  • Legacy Tower,Chicago, designed by Solomon, Cordwell, Buenz.
  • The Tower, Meridian Quay,Swansea, Wales, designed byLatitude Architects.
  • Punta della Dogana art museum inVenice, restored byTadao Ando.
  • Woodward's Building inVancouver,Canada.
  • Bateman's Row (home and studio) inShoreditch, London, designed for themselves by Theis + Khan Architects.^[3]
  • Buildings in Spain designed byAlberto Campo Baeza
    • "Between Cathedrals",Cádiz.
    • MA Museum,Granada.
    • Rufo House,Toledo.

• AIA Gold Medal –Glenn Murcutt (Australia)
• Alvar Aalto Medal –Tegnestuen Vandkunsten
• Architecture Firm Award –Olson Kundig Architects
• Driehaus Architecture Prize –Abdel-Wahed El-Wakil^[4]
• Grand Prix de l'urbanisme –François Ascher
• Emporis Skyscraper Award –Aqua
• European Union Prize for Contemporary Architecture (Mies van der Rohe Prize) –Snøhetta
• Lawrence Israel Prize -Gaetano Pesce
• Praemium Imperiale Architecture Award –Zaha Hadid
• Pritzker Prize –Peter Zumthor
• RAIA Gold Medal –Ken Maher
• RIBARoyal Gold Medal –Álvaro Siza Vieira
• Stirling Prize –Rogers Stirk Harbour + Partners forMaggie's Centre, London^[5]
• Thomas Jefferson Medal in Architecture –Robert Irwin.
• Twenty-five Year Award –Faneuil Hall Marketplace
• Vincent Scully Prize –Christopher Alexander

• January 14 –Jan Kaplický, Czech architect (born1937)
• February 3 –Earl Flansburgh, Boston architect (born1931)^[6]
• February 23 –Sverre Fehn, Norwegian architect (born1924)
• July 9 –H. T. Cadbury-Brown, English architect (born1913)
• July 15 –Julius Shulman, California architectural photographer (born1910)
• August 3 –Charles Gwathmey,American architect (born1938)
• August 16 –Mualla Eyüboğlu, one of the first female Turkisharchitects^[7] (born1919)
• November 27 –Maxwell M. Kalman, Québécois architect (born1906)
• December 8 –Claude Vasconi, French architect (born1940)

• Timeline of architecture