British Prime Minister Winston Churchill suffers from a stroke in the summer of 1953 that's kept a secret from the rest of the world. British Prime Minister Winston Churchill suffers from a stroke in the summer of 1953 that's kept a secret from the rest of the world. British Prime Minister Winston Churchill suffers from a stroke in the summer of 1953 that's kept a secret from the rest of the world. British Prime Minister Winston Churchill suffers from a stroke in the summer of 1953 that's kept a secret from the rest of the world.