1857 in architecture

• September 17 – Official opening of the Municipal Theatre of Santiago, Chile. • American Institute of Architects (AIA) founded. ==Buildings and structures==

Buildings completed • Absecon Lighthouse in Atlantic City, New Jersey, United States, designed by George Meade. • Ahırkapı Feneri (lighthouse), Istanbul, Turkey, designed by French engineers. • Britannia Music Hall, Glasgow, Scotland, designed by Thomas Gildard and H. M. McFarlane. • Old Town Hall, Silkeborg, Denmark, designed by H. C. Zeltner. • Schwerin Palace, Mecklenburg, largely designed by . • Borujerdis House, Kashan, Persia, designed by Ustad Ali Maryam. • Pont Saint-Michel, Paris, France, designed by Paul-Martin Gallocher de Lagalisserie and Paul Vaudrey. • Basilica of Sainte-Clotilde, Paris, France, completed by Théodore Ballu to the design of Franz Christian Gau. • All Saints' Church, Maidenhead, England, designed and with murals painted by George Edmund Street, with associated school. • Museum, Trinity College Dublin, Ireland, designed by Thomas Deane and Benjamin Woodward. • United States Custom House, designed by Ammi B. Young, opens in Providence, Rhode Island • Zeldenrust, Zuidbarge smock mill, Netherlands. ==Awards==

• RIBA Royal Gold Medal – Owen Jones. • Grand Prix de Rome, architecture: Joseph Heim. ==Births==

• January 18 – William Lethaby, English Arts and Crafts architect and designer (died 1931) • March 31 – John James Burnet, Scottish architect (died 1938) • May 28 – Charles Voysey, English Arts and Crafts designer and domestic architect (died 1941) • July 4 – John Campbell, Scottish architect (died 1942) • August 12 – Marc Camoletti, Swiss architect (died 1940) • September 1 – W. D. Caröe, English ecclesiastical architect (died 1938) ==Deaths==

• March 19 – William Henry Playfair, English-born neoclassical architect working in New Town, Edinburgh (born 1790) • December 9 – Thomas Oliver, English neoclassical architect working in Newcastle upon Tyne (born 1791) ==References==