The regiment was created in 1921 through the amalgamation of the 7th Hariana Lancers and 6th King Edward's Own Cavalry.

The 1935 operations was to suppress the Mohmands, north of the Khyber Pass, after their raiding on the plains and attacks on road construction parties.

[6] The brigade was detached from the division, and dispatched to Egypt in late January 1941, along with its units including the 18th King Edward's Own Cavalry.

[7][8][9] On 30 June, the brigade was ordered to hand over 50 per cent of its vehicles to the Eighth Army, and was dispersed; the regiment was allotted to the defence of the Nile Delta and guard duties.

[10] The regiment was split up after that, and elements were serving in different parts of India when the Japanese surrender came in August 1945.

[citation needed] The regiment was awarded the following battle honours:[17][18] Punniar, Moodkee, Ferozeshah, Sobraon, Egypt 1882, Tel-el-Kebir, Punjab Frontier[19] Punjaub, Burma 1885–87[20] Awarded in 1926 for services of predecessor regiments Somme 1916, Morval, Cambrai 1917, France and Flanders 1914–18, Megiddo, Sharon, Damascus, Palestine 1918, Shaiba, Kut-al-Amara 1915, Ctesiphon, Tigris 1916, Mesopotamia 1915–16 El Mechili[broken anchor], Defence of Tobruk, The Kennels, North Africa 1940–43 Jammu and Kashmir 1965, Tilkapur-Muhadipur, Punjab 1965.

The President of India, Neelam Sanjiva Reddy presented a guidon to the regiment at Amritsar on 26 March 1980.

[citation needed] On 7 March 2016, the regiment was presented the President's Standards at Amritsar by General Dalbir Singh, Chief of the Army Staff, on behalf of the President of India, Mr Pranab Mukherjee.

The crossed lances are overlaid with the numeral '18' mounted by the Ashoka Lion Capital and a scroll at the base with the words 'Cavalry'.