4th Regiment of Sikh Infantry, Punjab Frontier Force

Chronology

1846 raised by Captain C. MacKenzie at Ludhiana as 4th Sikh Infantry
1846-7 1st-4th Sikh Regiments formed as the Infantry of the Frontier Brigade
1847 became 1st Regiment of Sikh Local Infantry
1851 Frontier Brigade became the Punjab Irregular Force (Piffers) including the Corps of Guides, Punjab Irregular Force
1865 became 4th Regiment of Sikh Infantry, Punjab Frontier Force
1903 became 54th Sikhs (Frontier Force)
1922 became 4th Battalion 12th Frontier Force
1945 became 4th Battalion (Sikhs) Frontier Force Regiment
1947 allocated to Pakistan on Partition
1957 became 6th Battalion Frontier Force Regiment