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20th-century military alliances

  • Anglo-Soviet AgreementOn the 23rd of August 1939, the Soviet Union and Germany signed a non-aggression pact known as the Molotov, Ribbentrop Pact.
  • Anglo-Polish allianceIn early 1939, British Foreign Secretary Lord Halifax received a proposal from Polish Ambassador to the United Kingdom Raczyński.
  • Franco-Polish allianceIn the 16th century, France and Austria fought a long rivalry that pushed French diplomats to seek allies east of Vienna.
  • Pact of SteelBenito Mussolini secured his position as Prime Minister of the Kingdom of Italy in 1922. His first actions included massive programs of public works that…
  • Warsaw PactThe Presidential Palace in Warsaw, Poland, hosted a signing ceremony on the 14th of May 1955. Eight nations gathered to establish the Treaty of Friendship…
  • ANZUSThe Australia, New Zealand, United States Security Treaty emerged from a moment of profound anxiety in the Pacific. Following the fall of Singapore during…
  • Allies of World War IIn 1907, the United Kingdom and Russia signed an agreement that complemented existing pacts between three major European powers.
  • Anti-Comintern PactOn the 25th of November 1936, two men signed a document in Berlin that would reshape the geopolitical landscape of the coming decade.
  • Axis powersIn September 1923, Italian Prime Minister Benito Mussolini wrote in a book preface that the axis of European history passes through Berlin.
  • Central PowersOn the 28th of July 1914, Austria-Hungary declared war on Serbia. Germany stood ready to support its only reliable ally in this moment of crisis.
  • Tripartite PactOn the 27th of September 1940, three men stood in a Berlin room to sign a document that would reshape global alliances. Joachim von Ribbentrop signed for…
  • Triple EntenteIn 1870, Prussia and its allies defeated the Second French Empire during the Franco-Prussian War. The Treaty of Frankfurt forced France to cede…
  • Allies of World War IIOn the 1st of September 1939, Germany invaded Poland and the world shifted into a state of total war. The League of Nations had been established after World…
  • Southeast Asia Treaty OrganizationJohn Foster Dulles stood at the center of a diplomatic storm in September 1954. He negotiated the Southeast Asia Collective Defense Treaty in Manila…