Battle of Talavera
From Tardis Wiki, the free Doctor Who reference
The Battle of Talavera was a battle in the Peninsular War. It was considered a significant victory for the Duke of Wellington's forces.
During the Battle, a French Eagle was captured by Captain Sharpe of the South Essex. (PROSE: A Funny Turn)
Behind the scenes
The reference to Captain Sharpe capturing a French Eagle during the Battle originates in the Sharpe series of novels by Bernard Cornwell.