The regiment was sent to India in 1846 and then saw action at the Siege of Sevastopol in winter 1854 and at the Battle of Eupatoria in February 1855 during the Crimean War. In 1861, it was renamed the 10th (The Prince of Wales's Own) Royal Hussars. The regiment saw action at the Battle of Ali Masjid in November 1878 during the Second Anglo-Afghan War and at the First and Second Battles of El Teb in February 1884 during the Mahdist War.