Unit History: First Infantry Division

The 1st Infantry Division was a regular British Army division with a long history having been present at the Peninsula War, the Crimean War, World War I, and during the Second World War.
 
The British 1st Division was originally formed in 1809 by Arthur Wellesley , 1st Duke of Wellington for service in the Peninsula War, drawing from two British brigades and one Hanoverian brigade of the King’s German Legion. During the Peninsula War it was involved in most of the engagements between the Allies and France including the Battle of Talavera , Battle of Salamanca in 1812 ,Siege of Tarragona (1813) , Battle of Vitoria , Siege of San Sebastian , Battle of the Pyrenees , Battle of the Bidassoa (1813) , Battle of Toulouse (1814