51st Regiment of Foot

Known as The King's Own Yorkshire Light Infantry (KOYLI)

Chronology

1755 raised in Leeds as the 53rd Regiment of Foot
1757 renumbered 51st Regiment of Foot
1782 became the 51st (2nd Yorkshire, West Riding) Regiment of Foot
1809 became the 51st (2nd Yorkshire, West Riding) Regiment of Light Infantry
1821 became the 53rd (2nd Yorkshire, West Riding, The King's Own Light Infantry) Regiment
1881 became the 1st Battalion, The King's Own Light Infantry (South Yorkshire Regiment)
1897 became The King's Own (Yorkshire Light Infantry)
1921 became The King's Own Yorkshire Light Infantry
1968 became the 2nd Battalion of The Light Infantry (2LI)
2007 merged with the Royal Green Jackets to form The Rifles becoming '5 RIFLES'