16 August – Georg CarstensenTivoli Gardens in Copenhagen are inaugurated with 3,615 visitors on the opening day. At the end of the 1843 season, more than 175,000 guests have visited the park.[2]
15 December – The Barony of Adelersborg is established by G.F.O. Zytphen-Adeler and Bertha Henriette Frederikke Løvenskiold from the manors of Dragsholm and Dønnerup.