Mansion House, Dublin party conference of that year. The claim led to a security alert at the house, as the Garda Siochana and army searched for the 25-year-old bomb. Its most famous occupants included Lord Mayors: Mansion House, Dublin The Mansion House () on Dawson Street, Dublin, has been the official residence of the Lord Mayor of Dublin since 1715, and was also the meeting place of the Dáil Éireann from 1919 until 1922. The Mansion House was built in 1710 by the merchant and property developer Joshua Dawson, after whom Dawson Street is named. Dublin Corporation purchased the house in 1715 for
Prince's Mansion, Copenhagen Prince's Mansion, Copenhagen The Prince's Mansion is a palatial Rococo-style mansion located at Frederiksholms Kanal in central Copenhagen, Denmark. It used to serve as the official residence of the Crown Prince of Denmark but now houses the National Museum of Denmark. The original house was built in 1684 by Gysbert Wigand Michelbecker. Born in Marburg, he had settled in Copenhagen in 1657 and built a successful career as a merchant and ship owner. In 1685 the first reformed church in Copenhagen opened in his house. Michelbecker died in 1692 and in 1707 his house was taken over by his son-in-law