An unparalleled symbol of the city's medieval past, Tallinn City Hall features a 64-meter-high tower that visitors can climb. The Town Hall Tower was built at the same time as the building itself between 1402 and 1404. Town Hall soldiers used to keep watch there. Atop the Late Renaissance tower is another important symbol of the city, the ancient Thomas weather vane. The weather vane was placed at the top of the tower in 1530 and guarded the city until 1944; The current weather vane dates back to 1996.