The King's Speech (2010)
The King's Speech is a 2010 British historical drama film directed by Tom Hooper and written by David Seidler. Colin Firth plays King George VI who, to cope with a stammer, sees Lionel Logue, an Australian speech and language therapist played by Geoffrey Rush. The men become friends as they work together, and after his brother abdicates the throne, the new King relies on Logue to help him make his first wartime radio broadcast on Britain's declaration of war on Germany in 1939.
More at Wikipedia.