HMS Sir John Moore was a First World War

World War I

World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

 Royal Navy

Royal Navy

The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

 Lord Clive-class

Lord Clive class monitor

The Lord Clive class, sometimes referred to as the General Wolfe class, of monitors were ships designed for shore bombardment and were constructed for the Royal Navy during the First World War.-Design:...

 monitor named for Sir John Moore, a British general of the Peninsula War who was killed in action during the Battle of Corunna

Battle of Corunna

The Battle of Corunna refers to a battle of the Peninsular War. On January 16, 1809, a French army under Marshal Soult attacked the British under Sir John Moore...

. Her 12" main battery was stripped from the obsolete Majestic-class battleship

Majestic class battleship

The Majestic class was a class of pre-dreadnought battleships, built under the Spencer Programme of 8 December 1893, that sought to counter the growing naval strength of France and the Russian Empire...

 HMS Hannibal

HMS Hannibal (1896)

HMS Hannibal was a Majestic class pre-dreadnought battleship and the sixth ship to bear the name HMS Hannibal.-Technical characteristics:...

 which had been converted into a troopship

Troopship

A troopship is a ship used to carry soldiers, either in peacetime or wartime...

.

The Lord Clive class monitors were built in 1915 to engage German shore artillery and positions in occupied Belgium

Belgium

Belgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...

 during the First World War. Sir John Moore, with her sisters was regularly engaged in this service in the Dover Monitor Squadron, bombarding German positions along the coast and someway inland with their heavy guns.

Following the armistice in November 1918, Sir John Moore and all her sisters were put into reserve pending scrapping, as the reason for their existence had ended with the liberation of Belgium. In 1921 Sir John Moore and four of her sisters were scrapped.