-
Outbreak of World War I; German declaration of war on Russia.
-
-
Germany announces "war zone" in British waters
-
Germany resumes U-boat attacks under search and destroy rules
-
Soviet Russia and Central Powers make peace with Treaty of Brest-Litovsk
-
Germany admitted to League of Nations
-
Germany quits the League of Nations.
-
Britain and Poland sign a Mutual Assistance Treaty.
-
Finland signs a peace treaty with Soviets.
-
France signs an armistice with the Nazis.
-
Germans begin a U-boat offensive along east coast of USA.