1809 - Company detachments of 43rd and 52nd served with Brig.-General Stewart's Brigade in the attack on heights of Grijou (Portugal).
1919 –1st Bn, OXF & BUCKS LI - CROWBOROUGH
0600 - Adv. Party – Capt. MASON, Lt. HOLT. 1 Sergt. per Coy & 1 Platoon A Coy. left by train for SOUTHAMPTON with heavy Baggage
1938 -1st Bn Oxf & Bucks LI - Metal badges of rank were taken into use by warrant officers and colour serjeants.
All ranks were authorized to wear trousers without puttees for all purposes except ceremonial or when otherwise ordered.
1938 – Buckinghamshire Battalion –
"The King has been graciously pleased, on the occasion of His Majesty's Coronation, to give orders for the following appointment:
"H.R.H. the Duchess of Kent as Honorary Colonel, The Buckinghamshire Battalion, Oxfordshire and Buckinghamshire Light Infantry (T.A.)."