Timeline of the British Army 1800–99

The Time line of the British Army 1800–1899 lists the conflicts and wars the British Army were involved in.


 * French Revolutionary Wars ended 1802
 * Second Anglo-Maratha War 1802–1805
 * Napoleonic Wars 1802–1813
 * War of 1812 1812
 * Hundred Days 1815 The return of Napoleon
 * Gurkha War 1813–1816
 * Third Anglo-Maratha War 1817–1818
 * First Ashanti War 1823–1831
 * First Anglo-Burmese War 1824–1826
 * First Anglo-Afghan War 1839–1842
 * First Opium War 1839–1842
 * First Anglo Marri War 1840
 * First Anglo-Sikh War 1845–1846
 * Second Anglo-Burmese War 1852–1853
 * Crimean War 1853–1856
 * Anglo-Persian War 1856–1857
 * Second Opium War 1856–1860
 * Indian Rebellion 1857
 * New Zealand land wars 1845–1872
 * Second Anglo-Sikh War 1848–1849
 * Second Ashanti War 1863–1864
 * Bhutan War 1864–1865
 * Third Ashanti War 1873–1874
 * Second Anglo-Afghan War 1878–1880
 * Anglo-Zulu War 1879
 * Second Anglo Marri War 1880
 * First Boer War 1880–1881
 * Third Anglo-Burmese War 1885
 * Mahdist War 1891–1899
 * Fourth Ashanti War 1894
 * Anglo-Zanzibar War 1896 Shortest war in history lasted 38 minutes
 * Boxer Rebellion 1899–1901
 * Second Boer War 1899–1902