Vienna State Opera
The opera house was the first major building on the Vienna Ringstrasse commissioned by the Viennese "city expansion fund". Work commenced on the house in 1861 and was completed in 1869, following plans drawn up by architects August Sicard von Sicardsburg and Eduard van der Nüll. It was built in the Neo-Renaissance style by the renowned Czech architect and contractor Josef Hlávka.
Vienna Museum
80 contestants took part and submitted a total of 96 designs. The jury awarded Oswald Haerdtl fourth place, but he was subsequently "off-handedly" contracted to design the building, which was executed in an unassuming contemporary modern style. Haertl was also responsible for the interior design, down to the furnishing of the director's office. The museum opened on 23 April 1959 as the first newly built museum of the Second Republic, and remained the only such for decades.