In 1857, Indian soldiers rose up against their British commanders. They were joined by native rulers and thousands of ordinary people in a struggle that threatened to destroy British colonial power on the Indian subcontinent.
Frontier clashes between British India and the Burmese Empire escalated into a full-blown war that lasted from 1824 to 1826. This conflict resulted in parts of Burma coming under the control of the East India Company.
In 1880-81, the British fought a brief war against the Transvaal Boers in South Africa. The Boers had rebelled against British control and went on to inflict several stinging defeats during their successful fight for independence.
Formed in 1915, this British Army regiment was composed of volunteers from the West Indies and served in various theatres of the First World War. It was disbanded in 1921, shortly after the end of the conflict.
Fought between 1919 and 1921, this was a guerrilla and sectarian conflict involving Irish republicans, Ulster loyalists and British government forces. It brought about the creation of Northern Ireland and the Irish Free State.
In 1848-49, British-Indian forces were once again at war with the Sikh Empire. The campaign that raged across the Punjab eventually led to the region's full annexation by the British and the removal of one of the last Indian powers able to challenge British control of the subcontinent.
A rare helmet belonging to one of India's greatest warrior princes sheds light on the relatively unknown Mysore Wars, a series of conflicts in the late 18th century that helped decide the political future of southern India.
Between 1899 and 1902, the British Army fought a bitter colonial war against the Boers in South Africa. After initial setbacks and a long period of guerrilla warfare, the British eventually prevailed, but not without adopting controversial tactics.
Between 1878 and 1880, British-Indian forces fought a war to ensure that Afghanistan remained free from Russian interference. Although eventually successful, the British suffered several setbacks in their struggle to control the volatile country.