Answer
The city of Londonderry participated in two significant conflicts: the Irish Rebellion of the 17th century and the Napoleonic Wars. Londonderry played a pivotal role in both events. During the Irish Rebellion, the city experienced a famous siege in which it held out against a Catholic Jacobite army. In the Napoleonic Wars, Londonderry served as a base for British troops involved in the Peninsular War against Napoleonic France.