The Town Hall was built in 1865 and its high half-hipped roof, skylights and turrets make it one of the most outstanding examples of historicist architecture in Estonia. There is a memorial tablet to Johannes Märtson, who was the mayor from 1902 to 1917, in the foyer of the Town Hall.
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The Peace Palace (Vredespaleis) is an administrative building and often called the seat of international law because it houses the International Court of Justice (which is the principal judicial body of the United Nations), the Permanent Court of Arbitration, the Hague Academy of International Law, and the extensive Peace Palace Library. In addition to hosting these institutions, the Palace is also a regular venue for special events in international policy and law. The Palace officially opened on 28 August 1913, and was originally built to provide a symbolic home for the Permanent Court of Arbitration, a court created to end war which was created by treaty at the 1899 Hague Peace Conference.