A gun battle in the East End of London left two dead and sparked a political row over the operational involvement of Winston Churchill, then Home Secretary.

Aware that he was slowing down both physically and mentally in his old age, Winston Churchill retired as prime minister of the United Kingdom.

A three-day debate began in the House of Commons that resulted in British prime minister Neville Chamberlain being replaced by Winston Churchill (pictured).

British prime minister Neville Chamberlain resigned and formally recommended Winston Churchill as his successor.

Second World War: The remaining Allied forces protecting the Dunkirk evacuation surrendered, ending the Battle of Dunkirk; in response, British prime minister Winston Churchill gave a speech in which he declared "We shall fight on the beaches".

After a secret meeting in Newfoundland, British prime minister Winston Churchill and U.S. president Franklin D. Roosevelt (both pictured) issued the Atlantic Charter, establishing a vision for a post–World War II world.

Winston Churchill and Franklin D. Roosevelt met in a highly secret military conference (pictured) held in Quebec City.