United Kingdom declaration of war on Japan


On 8 December 1941, the government of the United Kingdom declared war on the Empire of Japan, following the Japanese attacks on Malaya, Singapore and Hong Kong. The British Secretary of State for Foreign Affairs, Anthony Eden, was in transit to Moscow at the time, so Prime Minister Winston Churchill was in charge of the Foreign Office. The text of his letter to the Japanese Ambassador was as follows:
Of the letter, Churchill later wrote: "Some people did not like this ceremonial style. But after all when you have to kill a man it costs nothing to be polite."