Just checked the Lyric in the D T and find I have been singing an extra verse since nineteen canteen. Here it is :-

Napoleon saw that he was in the Cart
When he lost that Waterloo fight
He took his sword up to Wellington,the Lord
And he said 'You British do fight'
Now you've won Waterloo, sir
What am I going to have with you, sir
And the old Iron Duke said etc

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I moved this message here from another thread on the same topic.
-Joe Offer-