In Berlin on 25 November 1936, Nazi Germany and the Empire of Japan signed the Anti-Comintern Pact.
The alliance, which was renewed on 25 November 1941 (just two weeks before the attack on Pearl Harbor), was designed to protect both countries againt an attack by the Soviet Union.
Here is a newspaper story – published on 25 November 1936 – that reports on the signing of the pact.
Gloucester Citizen – Wednesday 25 November 1936
Image © Local World Limited. Image created courtesy of THE BRITISH LIBRARY BOARD.
http://www.britishnewspaperarchive.co.uk/viewer/bl/0000325/19361125/001/0001