1819 in architecture

The year 1819 in architecture involved some significant architectural events and new buildings.

• Construction of Karlsborg Fortress in Sweden begins.
• Construction of Mikhailovsky Palace in Saint Petersburg begins.
• Sculptural work begins at the Schauspielhaus in Berlin (the modern-day Konzerthaus Berlin), designed by Karl Friedrich Schinkel.

• Casa de la Guerra, Santa Barbara, USA
• Cathedral Church of St. Paul, Boston, USA, designed by Alexander Parris and Solomon Willard^[1]
• Greek-Catholic Church in Giurtelecu Şimleului, Romania (demolished in 1973)
• The Plymouth Athenaeum, England, designed by John Foulston (destroyed in 1941)
• New Théâtre de l'Odéon in Paris, designed by Pierre Thomas Baraguay (opened in September)
• Vartiovuori Observatory, Turku, Finland^[2]

• Grand Prix de Rome, architecture: Félix-Emmanuel Callet and Jean-Baptiste Lesueur.

• January 20 – Edward Milner, English landscape architect (died 1884)
• February 8 – John Ruskin, English polymath and critic (died 1900)
• May 15 – Alphonse Balat, Belgian architect (died 1895)

• May 20 – Sir Horace Jones, Architect and Surveyor to the City of London (died 1887)^[3]
• Approximate date – Francis Fowler, English architect (died 1893)

• January 22 – Gian Antonio Selva, Italian neoclassical architect (born 1751)
• March 13 – Charles Wyatt, English politician and architect (born 1758)
• August 1 – Pierre-Adrien Pâris, French architect, painter and designer (born 1745)