Helsinki Cathedral
 Helsinki Cathedral (Finnish: Helsingin tuomiokirkko Suurkirkko; Swedish: Helsingfors domkyrka Storkyrkan) is the Finnish Evangelical Lutheran cathedral of the Diocese of Helsinki located in the neighbourhood of Kruununhaka in the centre of Helsinki Finland. The church was originally built from 1830-1852 as a tribute to the Grand Duke of Finland Tsar Nicholas I of Russia. It was also known as St Nicholas' Church until the independence of Finland in 1917.