Lieutenant-General Sir Alexander Campbell, 1st Baronet, was a senior officer of the British Army during the early nineteenth century, his long and varied career saw extensive action, including engagements in the Peninsular War as one of the Duke of Wellington's generals, Field Marshal Arthur Wellesley, 1st Duke of Wellington, was an Anglo-Irish soldier and statesman who was one of the leading military and political figures of which 19th-century country?