Events from the year 1815 in the United Kingdom. 1815 marks the end of years of war between the United Kingdom and France when the Duke of Wellington wins a decisive victory over Napoleon at the Battle of Waterloo. Fighting in the War of 1812 between the UK and the United States also ceases, peace terms having been agreed at the end of 1814. The year also sees the introduction of the Corn Laws which protect British land owners from cheaper foreign imports of corn.