It was 75 years ago, on Dec. 8, 1941, that the United States declared war on Japan. These posters are an artifact of that time.

THE Central Office of Information was established on April 1, 1946 to take over a wide but closely specified range of duties from the Ministry of Information. Its first annual report* is of ...

The Central Office of Information, the body in charge of producing information campaigns for the Government, has become the latest organisation to join the microblogging service Twitter.