The Treaty of Berlin is signed. Germany and the Soviet Union each pledge neutrality in the event of an attack on the other by a third party for the next five years.

The Treaty of Berlin was a treaty signed on 24 April 1926 under which Germany and the Soviet Union pledged neutrality in the event of an attack on the other by a third party for five years. The treaty reaffirmed the German–Soviet Treaty of Rapallo (1922).