The City Walls
In 2013 the historic city walls celebrated their 400th birthday. They are the only set of intact city walls remaining in Ireland and one of only a few in Europe.
The walls were built in the 17th century as defenses for early settlers and are approximately 1 mile in circumference, they form a walkway around the inner city. A number of companies such as Martin Macrossan City Tours (http://www.derrycitytours.com) and City Sightseeing tours (citysightseeingderry.com ) offer guided tours of the city, including the walls and are well worth using to find out about the unique history of this special city feature.
Derry is one of the few cities in Europe that never saw its fortifications breached, withstanding several sieges including one in 1689 which lasted 105 days, hence the city's nickname, The Maiden City
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