26 January – Kjøbenhavns Brandforsikring (Copenhagen Fire Insurance) is founded, speeding up the rebuilding of the city after the Copenhagen Fire of 1728 significantly since lending out money for construction projects becomes less risky.[2]
4 March – The Reformed Church in Copenhagen is reinaugurated after its rebuilding.[3]
8 April – Maglekilde Watermill is the first of a number of buildings which are destroyed in a series of devastating fires that hits Roskilde in 1731.[4]