Two churches previously stood on the site: the White Church (15th century) and the Presentation Church (17th century). On 8 August 1826, prince Ioan Sturdza signed a decree ordering construction of the cathedral; Metropolitan Veniamin Costachi laid the cornerstone on 3 July 1833 and guided construction in its early years. Work began in 1833, using a neo-classical design by Viennese architects Johann and Gustav Freiwald, and continued at a rapid pace until 1841, in the latter years under the Russian architect Sungurov. Construction stopped in 1842 when Veniamin had to retire. In 1839, serious cracks had appeared on the large central arch, which collapsed on 23 May 1857, taking the interior columns with it. Various solutions were attempted (in 1840 Sungurov replaced the brick ceiling with wo