Walls of Tallinn
The Walls of Tallinn are the medieval defensive walls constructed around the city of Tallinn in Estonia. == History == The first wall around Tallinn was ordered to be constructed by Margaret Sambiria in 1265 resulting in its name, the 'Margaret Wall.' This wall was less than 5 metres (16 ft) tall and about 1.5 metres (4.9 ft) thick at its base.